720 Prefixes/Exchanges

The three digits following the area code of a phone number are known as the prefix or exchange. The remaining numbers (last 4 digits of phone number) all refer to that prefix/exhange.

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Prefixes

location/Company

720-200DENVER, CO
QWEST CORPORATION
720-201DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-202DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2009-10-07
720-203DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-01-29
720-204LONGMONT, CO
AT&T LOCAL
720-205DENVER, CO
SPRINT SPECTRUM L.P.
720-206DENVER, CO
XO COLORADO, LLC
720-207AURORA, CO
XO COLORADO, LLC
720-208DENVER, CO
XO COLORADO, LLC
720-209DENVER, CO
SPRINT SPECTRUM L.P.
720-210DENVER, CO
XO COLORADO, LLC
720-211

720-212DENVER, CO
XO COLORADO, LLC
720-213DENVERSLVN, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-214DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-215DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2009-10-12
720-216AURORA, CO
TELEPORT COMMUNICATIONS GROUP - CO
Date Assigned: 2001-01-29
720-217DENVER, CO
T-MOBILE USA, INC.
720-218DENVER, CO
SPRINT SPECTRUM L.P.
720-219DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-220DENVER, CO
T-MOBILE USA, INC.
720-221DENVER, CO
XO COLORADO, LLC
720-222AURORA, CO
XO COLORADO, LLC
720-223BRIGHTON, CO
XO COLORADO, LLC
720-224DENVER, CO
XO COLORADO, LLC
720-225DENVER, CO
XO COLORADO, LLC
720-226DENVER, CO
XO COLORADO, LLC
720-227DENVER, CO
XO COLORADO, LLC
720-228DENVER, CO
XO COLORADO, LLC
720-229DENVER, CO
XO COLORADO, LLC
720-230BRIGHTON, CO
XO COLORADO, LLC
720-231DENVER, CO
T-MOBILE USA, INC.
720-232DENVER, CO
SPRINT SPECTRUM L.P.
720-233DENVER, CO
SPRINT SPECTRUM L.P.
720-234DENVER, CO
SPRINT SPECTRUM L.P.
720-235DENVER, CO
SPRINT SPECTRUM L.P.
720-236DENVER, CO
SPRINT SPECTRUM L.P.
720-237DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2009-09-28
720-238DENVER, CO
T-MOBILE USA, INC.
720-239DENVER, CO
AT&T LOCAL
720-240DENVER, CO
XO COLORADO, LLC
720-241DENVER, CO
XO COLORADO, LLC
720-242DENVER, CO
QWEST CORPORATION
Date Assigned: 2008-10-09
720-243DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2009-06-30
720-244DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-245DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
Date Assigned: 2011-11-21
720-246DENVERSLVN, CO
XO COLORADO, LLC
720-247BRIGHTON, CO
XO COLORADO, LLC
Date Assigned: 2004-05-20
720-248DENVERSLVN, CO
CBEYOND COMMUNICATIONS, LLC - CO
720-249DENVER, CO
XO COLORADO, LLC
720-250DENVER, CO
XO COLORADO, LLC
720-251AURORA, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-252DENVER, CO
SPRINT SPECTRUM L.P.
720-253DENVER, CO
SPRINT SPECTRUM L.P.
720-254DENVER, CO
SPRINT SPECTRUM L.P.
720-255DENVER, CO
SPRINT SPECTRUM L.P.
720-256DENVER, CO
SPRINT SPECTRUM L.P.
720-257DENVER, CO
XO COLORADO, LLC
720-258DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-259DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-260DENVER, CO
SPRINT SPECTRUM L.P.
720-261DENVER, CO
T-MOBILE USA, INC.
720-262AURORA, CO
ICG TELECOM GROUP - CO
720-263BRIGHTON, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-264DENVER, CO
QWEST CORPORATION
720-265BRIGHTON, CO
XO COLORADO, LLC
Date Assigned: 2004-05-03
720-266DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-267DENVER, CO
QWEST CORPORATION
720-268DENVER, CO
QWEST CORPORATION
720-269DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-270DENVER, CO
SPRINT SPECTRUM L.P.
720-271DENVER, CO
SPRINT SPECTRUM L.P.
720-272DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2001-01-18
720-273DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2001-01-18
720-274DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-275DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-02-22
720-276DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-02-22
720-277AURORA, CO
ICG TELECOM GROUP - CO
720-278AURORA, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2001-01-25
720-279DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2001-01-25
720-280DENVER, CO
T-MOBILE USA, INC.
720-281AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-282DENVERSLVN, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2001-01-25
720-283DENVER, CO
QWEST CORPORATION
720-284DENVER, CO
XO COLORADO, LLC
720-285AURORA, CO
XO COLORADO, LLC
Date Assigned: 2009-01-30
720-286DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
Date Assigned: 2002-04-30
720-287DENVER, CO
COMCAST PHONE OF COLORADO, LLC - CO
Date Assigned: 2010-04-30
720-288AURORA, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-02-26
720-289DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2001-07-25
720-290DENVER, CO
SPRINT SPECTRUM L.P.
720-291DENVER, CO
SPRINT SPECTRUM L.P.
720-292DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2009-03-04
720-293DENVER, CO
XO COLORADO, LLC
720-294DENVER, CO
XO COLORADO, LLC
720-295DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-03-01
720-296DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-01-12
720-297DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-01-12
720-298DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-01-12
720-299DENVER, CO
T-MOBILE USA, INC.
720-300DENVER, CO
SPRINT SPECTRUM L.P.
720-301DENVER, CO
SPRINT SPECTRUM L.P.
720-302DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-303

720-304DENVER, CO
QWEST CORPORATION
720-305DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2001-01-29
720-306DENVERSLVN, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
Date Assigned: 2001-01-29
720-308DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2001-08-14
720-309DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-12-05
720-310ALLNSPKLYN, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-311

720-312DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-02-20
720-313DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-02-20
720-314DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-02-20
720-315DENVER, CO
360NETWORKS (USA) INC. - CO
Date Assigned: 2009-10-14
720-316DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-05-24
720-317DENVER, CO
SPRINT SPECTRUM L.P.
720-318DENVER, CO
SPRINT SPECTRUM L.P.
720-319DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-04-19
720-320DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-321DENVER, CO
QWEST CORPORATION
Date Assigned: 2008-05-29
720-322DENVER, CO
QWEST CORPORATION
720-323DENVER, CO
T-MOBILE USA, INC.
720-324AURORA, CO
COMCAST PHONE OF COLORADO, LLC - CO
720-325AURORA, CO
T-MOBILE USA, INC.
Date Assigned: 2010-08-06
720-326DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2011-06-13
720-327DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-10-18
720-328DENVER, CO
COMCAST PHONE OF COLORADO, LLC - CO
Date Assigned: 2009-10-20
720-329DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-10-18
720-330DENVER, CO
ICG TELECOM GROUP - CO
720-331DENVER, CO
SPRINT SPECTRUM L.P.
720-332DENVER, CO
QWEST CORPORATION
720-333DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-05-14
720-334DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-05-14
720-335DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2001-05-14
720-336KEENESBURG, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-07-19
720-337DENVER, CO
QWEST CORPORATION
Date Assigned: 2009-02-18
720-338DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-11-19
720-339DENVER, CO
SPRINT SPECTRUM L.P.
720-340LONGMONT, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2009-09-04
720-341DENVER, CO
T-MOBILE USA, INC.
720-342DENVER, CO
AT&T LOCAL
Date Assigned: 2009-04-15
720-343AURORA, CO
ICG TELECOM GROUP - CO
Date Assigned: 2003-10-31
720-344DENVER, CO
QWEST CORPORATION
720-345DENVER, CO
ZIPPYTECH INCORPORATED
Date Assigned: 2007-12-28
720-346DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-347DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2009-09-28
720-348DENVER, CO
QWEST CORPORATION
720-349DENVER, CO
AT&T LOCAL
Date Assigned: 2011-03-28
720-350DENVER, CO
SPRINT SPECTRUM L.P.
720-351DENVER, CO
SPRINT SPECTRUM L.P.
720-352DENVER, CO
T-MOBILE USA, INC.
720-353DENVER, CO
SPRINT SPECTRUM L.P.
720-354DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2011-06-30
720-356DENVER, CO
AT&T LOCAL
720-358HUDSON, CO
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
Date Assigned: 2009-09-09
720-359DENVER, CO
QWEST CORPORATION
720-362DENVER, CO
QWEST CORPORATION
Date Assigned: 2007-06-06
720-363DENVER, CO
SPRINT SPECTRUM L.P.
720-364DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-01-15
720-365DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-01-15
720-366DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-01-15
720-367AURORA, CO
XO COLORADO, LLC
720-368AURORA, CO
XO COLORADO, LLC
Date Assigned: 2004-04-30
720-369DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2011-03-14
720-371DENVER, CO
SPRINT SPECTRUM L.P.
720-373DENVER, CO
SPRINT SPECTRUM L.P.
720-374DENVER, CO
QWEST CORPORATION
720-375DENVER, CO
COMMNET WIRELESS, LLC
Date Assigned: 2007-07-10
720-377DENVER, CO
ALLEGIANCE TELECOM OF COLORADO, INC.
720-378LONGMONT, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2010-01-19
720-379DENVER, CO
ICG TELECOM GROUP - CO
720-381DENVER, CO
COMCAST PHONE OF COLORADO, LLC - CO
Date Assigned: 2005-08-03
720-382DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
720-383FORTLUPTON, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2008-11-13
720-384DENVER, CO
XO COLORADO, LLC
720-385DENVER, CO
XO COLORADO, LLC
720-388AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2010-01-11
720-389DENVER, CO
ALLEGIANCE TELECOM OF COLORADO, INC.
Date Assigned: 2008-11-17
720-392DEER TRAIL, CO
YMAX COMMUNICATIONS CORP. - CO
Date Assigned: 2009-01-30
720-393DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2010-06-07
720-394DENVER, CO
T-MOBILE USA, INC.
720-395DENVER, CO
AT&T LOCAL
Date Assigned: 2009-09-04
720-396DENVER, CO
AT&T LOCAL
Date Assigned: 2009-09-08
720-397DENVER, CO
AT&T LOCAL
Date Assigned: 2009-09-08
720-398DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2010-06-28
720-399DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2011-05-06
720-400AURORA, CO
T-MOBILE USA, INC.
Date Assigned: 2010-10-28
720-401DENVER, CO
T-MOBILE USA, INC.
Date Assigned: 2009-01-13
720-402DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
Date Assigned: 2011-05-10
720-404DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-10-18
720-406DENVER, CO
QWEST CORPORATION
720-407DENVER, CO
CBEYOND COMMUNICATIONS, LLC - CO
720-409DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
Date Assigned: 2011-11-22
720-411

720-412DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2010-06-28
720-413DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2008-08-27
720-414ALLNSPKLYN, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2011-10-04
720-420DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2010-05-26
720-421DENVER, CO
T-MOBILE USA, INC.
Date Assigned: 2009-03-20
720-422DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-09-26
720-423DENVER, CO
QWEST CORPORATION
Date Assigned: 2004-04-22
720-424DENVER, CO
QWEST CORPORATION
Date Assigned: 2004-04-22
720-425DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2008-01-15
720-426DENVER, CO
QWEST CORPORATION
Date Assigned: 2010-04-20
720-427AURORA, CO
T-MOBILE USA, INC.
Date Assigned: 2002-02-04
720-428DENVER, CO
BROADVOX-CLEC, LLC - CO
Date Assigned: 2011-12-12
720-429DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2008-07-02
720-431DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2010-09-22
720-432DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-02-26
720-433DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
720-434DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
720-435DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
720-436DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
720-437DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-02-08
720-438LONGMONT, CO
360NETWORKS (USA) INC. - CO
Date Assigned: 2006-09-26
720-439DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2010-04-21
720-440DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2010-05-12
720-441DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2011-05-18
720-442LONGMONT, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2011-04-04
720-443DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-10-07
720-444DENVER, CO
QWEST CORPORATION
720-445DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2010-09-15
720-446DENVER, CO
XO COLORADO, LLC
Date Assigned: 2011-02-23
720-447DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2008-02-22
720-448DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2008-04-09
720-449DENVERSLVN, CO
ALLEGIANCE TELECOM OF COLORADO, INC.
720-452DENVER, CO
PEERLESS NETWORK OF COLORADO, LLC - CO
Date Assigned: 2010-12-28
720-454DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
Date Assigned: 2010-08-11
720-455DENVER, CO
QWEST CORPORATION
Date Assigned: 2010-07-02
720-457DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-458DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2010-09-27
720-459DENVER, CO
ONVOY, INC. - CO
Date Assigned: 2010-10-15
720-464DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2011-04-21
720-465DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2012-01-03
720-466FORTLUPTON, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2010-06-28
720-468DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2001-12-17
720-469DENVER, CO
MOSAIC NETWORX, LLC - CO
Date Assigned: 2011-09-23
720-470DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-472DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-473DENVER, CO
CBEYOND COMMUNICATIONS, LLC - CO
720-474DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2011-10-31
720-475DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-477AURORA, CO
360NETWORKS (USA) INC. - CO
Date Assigned: 2011-08-09
720-479DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-480DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-482DENVER, CO
QWEST CORPORATION
720-484DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
Date Assigned: 2011-07-18
720-488DENVER, CO
QWEST CORPORATION
720-489DENVER, CO
QWEST CORPORATION
720-490DENVER, CO
NEXTEL COMMUNICATIONS, INC.
720-491LONGMONT, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2011-11-16
720-493DENVER, CO
QWEST CORPORATION
720-494LONGMONT, CO
QWEST CORPORATION
720-495DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2001-09-28
720-496DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2001-12-17
720-497DENVER, CO
QWEST CORPORATION
720-499AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-08-09
720-505AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-01-11
720-506DENVERSLVN, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2001-12-17
720-509DENVER, CO
XO COLORADO, LLC
Date Assigned: 2010-04-02
720-511

720-514DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-515DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-02-11
720-519DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-521DENVERSLVN, CO
AMERICAN MESSAGING (AM), INC.
720-522AURORA, CO
XO COLORADO, LLC
Date Assigned: 2010-11-19
720-523BRIGHTON, CO
QWEST CORPORATION
Date Assigned: 2010-05-24
720-524DENVER, CO
QWEST CORPORATION
720-528DENVER, CO
QWEST CORPORATION
720-529DENVER, CO
QWEST CORPORATION
720-530DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-532AURORA, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-533DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-535DENVERSLVN, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-536DENVER, CO
QWEST CORPORATION
720-539DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2011-07-08
720-540DENVER, CO
QWEST CORPORATION
720-542DENVER, CO
QWEST CORPORATION
720-544DENVER, CO
QWEST CORPORATION
720-545DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2009-06-12
720-548DENVER, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-549DENVERSLVN, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-551DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2011-04-01
720-554DENVER, CO
QWEST CORPORATION
720-555DENVER, CO
QWEST CORPORATION
720-556DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-05-10
720-558DENVER, CO
QWEST CORPORATION
Date Assigned: 2002-03-13
720-559DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-560DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-561DENVER, CO
QWEST CORPORATION
Date Assigned: 2008-04-18
720-562DENVER, CO
QWEST CORPORATION
720-563DENVER, CO
QWEST CORPORATION
720-564DENVER, CO
QWEST CORPORATION
720-565DENVER, CO
QWEST CORPORATION
720-566DENVER, CO
QWEST CORPORATION
720-567DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-568DENVER, CO
QWEST CORPORATION
Date Assigned: 2001-02-27
720-569DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2008-10-08
720-570DENVER, CO
QWEST CORPORATION
720-578DENVER, CO
QWEST CORPORATION
720-579AURORA, CO
ALLEGIANCE TELECOM OF COLORADO, INC.
720-581DENVER, CO
SPRINT SPECTRUM L.P.
720-583DENVER, CO
360NETWORKS (USA) INC. - CO
Date Assigned: 2010-09-30
720-587DENVER, CO
AT&T LOCAL
720-596DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-599DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
Date Assigned: 2012-02-13
720-606FORTLUPTON, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2011-08-12
720-608GEORGETOWN, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-07-19
720-611

720-612DENVER, CO
SPRINT SPECTRUM L.P.
Date Assigned: 2011-07-22
720-620DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-03-27
720-621DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-03-27
720-622DENVER, CO
QWEST CORPORATION
720-623DENVER, CO
NEUTRAL TANDEM-COLORADO, LLC - CO
Date Assigned: 2012-02-17
720-624DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-625DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
Date Assigned: 2011-09-20
720-626DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-01-11
720-627DENVER, CO
QWEST CORPORATION
Date Assigned: 2012-03-06
720-628DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-03-04
720-629DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-03-04
720-633DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
Date Assigned: 2010-12-28
720-635DENVER, CO
NEW CINGULAR WIRELESS PCS, LLC
720-641DENVER, CO
NEXTEL COMMUNICATIONS, INC.
720-644DENVER, CO
MCLEODUSA TELECOMMUNICATIONS SERVICES, INC.- CO
Date Assigned: 2011-04-01
720-648DENVER, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
Date Assigned: 2011-05-10
720-652LONGMONT, CO
QWEST CORPORATION
720-658DENVER, CO
TELSTAR COMMUNICATIONS INC
Date Assigned: 2010-03-26
720-663DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2008-05-28
720-670AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-675DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2009-05-12
720-684LONGMONT, CO
ICG TELECOM GROUP - CO
720-685BRIGHTON, CO
QWEST CORPORATION
720-686DENVER, CO
XO COLORADO, LLC
Date Assigned: 2010-10-14
720-689DENVER, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2011-04-04
720-690DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2002-03-27
720-700

720-708DENVER, CO
TELIAX COLORADO - CO
Date Assigned: 2011-08-12
720-711

720-719

720-720

720-722DENVER, CO
QWEST COMMUNICATIONS COMPANY, LLC
Date Assigned: 2010-05-21
720-729KEENESBURG, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2012-03-02
720-732DENVER, CO
SPRINT SPECTRUM L.P.
720-733DENVER, CO
QWEST CORPORATION
720-744DENVERSLVN, CO
QWEST CORPORATION
720-746DENVER, CO
QWEST CORPORATION
720-747DENVERSLVN, CO
QWEST CORPORATION
720-748DENVERSLVN, CO
QWEST CORPORATION
720-754DENVER, CO
TW TELECOM OF COLORADO LLC - CO
Date Assigned: 2010-03-30
720-763DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2009-11-05
720-771DENVER, CO
T-MOBILE USA, INC.
720-775DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2009-10-14
720-777AURORA, CO
QWEST CORPORATION
Date Assigned: 2006-02-09
720-785DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-789AURORA, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2011-08-05
720-808AURORA, CO
BANDWIDTH.COM CLEC, LLC - CO
Date Assigned: 2010-10-20
720-810AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-811

720-833DENVER, CO
QWEST CORPORATION
720-834DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-836DENVER, CO
ICG TELECOM GROUP - CO
720-837DENVER, CO
SPRINT SPECTRUM L.P.
720-838DENVER, CO
SPRINT SPECTRUM L.P.
720-839DENVER, CO
SPRINT SPECTRUM L.P.
720-840DENVER, CO
SPRINT SPECTRUM L.P.
720-841DENVER, CO
SPRINT SPECTRUM L.P.
720-842DENVER, CO
QWEST CORPORATION
720-847AURORA, CO
QWEST CORPORATION
Date Assigned: 2003-11-05
720-848AURORA, CO
QWEST CORPORATION
720-849DENVER, CO
SPRINT SPECTRUM L.P.
720-851DENVER, CO
QWEST CORPORATION
720-852DENVER, CO
QWEST CORPORATION
720-854DENVER, CO
QWEST CORPORATION
720-855DENVER, CO
QWEST CORPORATION
720-857AURORA, CO
QWEST CORPORATION
720-858AURORA, CO
QWEST CORPORATION
720-859AURORA, CO
QWEST CORPORATION
720-862AURORA, CO
XO COLORADO, LLC
720-863DENVERSLVN, CO
XO COLORADO, LLC
720-864LONGMONT, CO
QWEST CORPORATION
720-865DENVER, CO
ICG TELECOM GROUP - CO
720-867DENVER, CO
GREAT WEST SERVICES, LTD. - CO
720-870DENVER, CO
QWEST CORPORATION
720-872DENVER, CO
QWEST CORPORATION
720-873DENVER, CO
QWEST CORPORATION
720-874DENVER, CO
QWEST CORPORATION
720-875DENVER, CO
QWEST CORPORATION
720-876DENVER, CO
QWEST CORPORATION
720-877DENVER, CO
ICG TELECOM GROUP - CO
720-878DENVER, CO
ICG TELECOM GROUP - CO
720-879DENVER, CO
ICG TELECOM GROUP - CO
720-880DENVER, CO
ICG TELECOM GROUP - CO
720-881DENVER, CO
ICG TELECOM GROUP - CO
720-882DENVER, CO
ICG TELECOM GROUP - CO
720-883DENVER, CO
ICG TELECOM GROUP - CO
720-884DENVER, CO
QWEST CORPORATION
720-885DENVER, CO
LEAP WIRELESS INTL, INC. DBA CRICKET COMM, INC.
Date Assigned: 2010-02-04
720-886DENVER, CO
QWEST CORPORATION
720-887DENVER, CO
QWEST CORPORATION
720-888DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
720-889DENVER, CO
ALLEGIANCE TELECOM OF COLORADO, INC.
720-890DENVER, CO
QWEST CORPORATION
720-891DENVER, CO
LEVEL 3 COMMUNICATIONS, LLC - CO
Date Assigned: 2001-12-17
720-895DENVER, CO
QWEST CORPORATION
720-897DENVER, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-898DENVER, CO
QWEST CORPORATION
720-903DENVER, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-904DENVER, CO
QWEST CORPORATION
720-907DENVERSLVN, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-911

720-913DENVER, CO
ICG TELECOM GROUP - CO
720-917DENVER, CO
QWEST CORPORATION
720-920DENVER, CO
TELEPORT COMMUNICATIONS GROUP - CO
720-921DENVER, CO
ICG TELECOM GROUP - CO
720-922DENVER, CO
QWEST CORPORATION
720-924DECKERS, CO
QWEST CORPORATION
720-929DENVER, CO
QWEST CORPORATION
720-931DENVER, CO
QWEST CORPORATION
720-932DENVER, CO
QWEST CORPORATION
720-933DENVER, CO
T-MOBILE USA, INC.
720-934DENVER, CO
T-MOBILE USA, INC.
720-935DENVER, CO
T-MOBILE USA, INC.
720-936DENVER, CO
T-MOBILE USA, INC.
720-937DENVER, CO
T-MOBILE USA, INC.
720-938DENVER, CO
T-MOBILE USA, INC.
720-939DENVER, CO
T-MOBILE USA, INC.
720-940DENVER, CO
SPRINT SPECTRUM L.P.
720-941DENVER, CO
QWEST CORPORATION
720-942DENVER, CO
QWEST CORPORATION
720-943DENVER, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-944DENVER, CO
QWEST CORPORATION
720-945DENVER, CO
QWEST CORPORATION
720-946DENVER, CO
QWEST CORPORATION
720-947DENVER, CO
QWEST CORPORATION
720-949AURORA, CO
AT&T LOCAL
720-950

720-951AURORA, CO
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - CO
720-956DENVER, CO
QWEST CORPORATION
720-958

720-959

720-961DENVER, CO
GLOBAL CROSSING LOCAL SERVICES, INC.-CO
720-962DENVER, CO
QWEST CORPORATION
720-963DENVER, CO
QWEST CORPORATION
720-970

720-971DENVER, CO
SPRINT SPECTRUM L.P.
720-972DENVER, CO
QWEST CORPORATION
Date Assigned: 2002-04-23
720-974DENVER, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
720-975AURORA, CO
ESCHELON TELECOM OF COLORADO, INC. - CO
720-976

720-977DENVER, CO
QWEST CORPORATION
720-979DENVER, CO
SPRINT SPECTRUM L.P.
720-980DENVER, CO
SPRINT SPECTRUM L.P.
720-981DENVER, CO
QWEST CORPORATION
720-982DENVER, CO
SPRINT SPECTRUM L.P.
720-983

720-984DENVER, CO
SPRINT SPECTRUM L.P.
720-985DENVER, CO
SPRINT SPECTRUM L.P.
720-987DENVER, CO
SPRINT SPECTRUM L.P.
720-988DENVER, CO
SPRINT SPECTRUM L.P.
720-989DENVER, CO
SPRINT SPECTRUM L.P.
720-998AURORA, CO
COMCAST PHONE OF COLORADO, LLC - CO
Date Assigned: 2006-12-01
720-999DENVER, CO
LIBERTY BELL TELECOM, LLC - CO
Date Assigned: 2008-07-22
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