857 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

857-200BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-01-10
857-201WINTHROP, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-10-28
857-202BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-11-10
857-203JAMAICA PL, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2005-02-28
857-204BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-03-20
857-205BOSTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2001-03-19
857-206BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-10-07
857-207BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2007-04-11
857-208BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2012-02-08
857-209CAMBRIDGE, MA
BROADWING COMMUNICATIONS, LLC - MA
Date Assigned: 2001-10-11
857-210BOSTON, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2011-03-10
857-211

857-212DORCHESTER, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2001-04-23
857-213BOSTON, MA
PAETEC COMMUNICATIONS, INC.
Date Assigned: 2011-10-03
857-214BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-12-06
857-215BROOKLINE, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2010-02-23
857-216NEWTON, MA
YMAX COMMUNICATIONS CORP. - MA
Date Assigned: 2009-11-03
857-217DORCHESTER, MA
RNK, INC.
Date Assigned: 2001-03-27
857-218BROOKLINE, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2007-01-12
857-219NEWTON, MA
NEUTRAL TANDEM-MASSACHUSETTS, LLC - MA
Date Assigned: 2012-02-16
857-220DORCHESTER, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-03-20
857-221BOSTON, MA
NEXTEL COMMUNICATIONS, INC.
Date Assigned: 2005-05-25
857-222BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-05-17
857-223BOSTON, MA
CTC COMMUNICATIONS CORP. - MA
857-224BOSTON, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2009-12-17
857-225BROOKLINE, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-05-03
857-226NEWTON, MA
DSCI CORPORATION - MA
Date Assigned: 2006-03-30
857-227SOMERVILLE, MA
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
Date Assigned: 2001-05-23
857-228WATERTOWN, MA
CTC COMMUNICATIONS CORP. - MA
Date Assigned: 2001-07-12
857-229NEWTON, MA
CTC COMMUNICATIONS CORP. - MA
857-230ROXBURY, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2009-04-15
857-231NEWTON, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-232NEWTON, MA
NEUTRAL TANDEM-MASSACHUSETTS, LLC - MA
Date Assigned: 2006-05-17
857-233BOSTON, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2006-02-16
857-234BROOKLINE, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2002-03-18
857-235CAMBRIDGE, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2008-11-18
857-236BOSTON, MA
METRO PCS, INC.
Date Assigned: 2008-08-04
857-237BOSTON, MA
METRO PCS, INC.
Date Assigned: 2009-06-08
857-238BOSTON, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2007-11-14
857-239BOSTON, MA
CBEYOND COMMUNICATIONS, LLC - MA
Date Assigned: 2009-10-29
857-240NEWTON, MA
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
Date Assigned: 2012-02-28
857-241BOSTON, MA
BROADWING COMMUNICATIONS, LLC - MA
Date Assigned: 2006-10-24
857-242CAMBRIDGE, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-09-08
857-243BOSTON, MA
INFOTELECOM, LLC - MA
Date Assigned: 2009-11-05
857-244BOSTON, MA
BANDWIDTH.COM CLEC, LLC - MA
Date Assigned: 2008-06-10
857-245BROOKLINE, MA
YMAX COMMUNICATIONS CORP. - MA
Date Assigned: 2006-11-02
857-246BOSTON, MA
METRO PCS, INC.
857-247BOSTON, MA
METRO PCS, INC.
Date Assigned: 2009-06-08
857-248BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2012-03-08
857-249BOSTON, MA
METRO PCS, INC.
Date Assigned: 2008-08-04
857-250BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2011-07-15
857-251BOSTON, MA
METRO PCS, INC.
Date Assigned: 2008-08-04
857-252QUINCY, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-04-23
857-253CAMBRIDGE, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-04-23
857-254BOSTON, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-04-23
857-255NEWTON, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-04-23
857-256CAMBRIDGE, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-09-22
857-257SO BOSTON, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2001-04-20
857-258BOSTON, MA
METRO PCS, INC.
Date Assigned: 2010-06-25
857-259CAMBRIDGE, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2011-05-24
857-260BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2012-03-08
857-261BOSTON, MA
METRO PCS, INC.
Date Assigned: 2011-02-22
857-263BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-07-12
857-264BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2010-09-21
857-265BOSTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2011-07-12
857-266BOSTON, MA
METRO PCS, INC.
Date Assigned: 2010-06-10
857-268BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-09-08
857-272BOSTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2006-03-01
857-274EASTBOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-09-08
857-277BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2006-01-03
857-284BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2008-01-15
857-288BOSTON, MA
XO MASSACHUSETTS, INC.
Date Assigned: 2006-08-01
857-293EASTBOSTON, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2010-02-15
857-294BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2007-05-11
857-300BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2010-10-08
857-307BROOKLINE, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2006-02-10
857-311

857-312BOSTON, MA
METRO PCS, INC.
Date Assigned: 2008-08-04
857-318BOSTON, MA
ALLEGIANCE TELECOM, INC. - MA
Date Assigned: 2007-10-17
857-321BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2011-03-10
857-333BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2010-11-09
857-334BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2006-09-20
857-339

857-342HYDE PARK, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2007-08-08
857-345HYDE PARK, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
857-350BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2007-06-18
857-351

857-362BOSTON, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2006-07-19
857-363EVERETT, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-04-24
857-364BROOKLINE, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-03-20
857-366BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2006-03-15
857-368BOSTON, MA
PAETEC COMMUNICATIONS, INC.
Date Assigned: 2011-08-02
857-373BELMONT, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-03-20
857-383BOSTON, MA
NEXTEL COMMUNICATIONS, INC.
Date Assigned: 2005-09-07
857-389CHARLESTN, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-12-14
857-399ROXBURY, MA
RNK, INC.
Date Assigned: 2001-03-27
857-400BOSTON, MA
BANDWIDTH.COM CLEC, LLC - MA
Date Assigned: 2010-11-03
857-401SO BOSTON, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-03-20
857-403QUINCY, MA
PAETEC COMMUNICATIONS, INC.
Date Assigned: 2001-03-20
857-404NEWTON, MA
COMCAST PHONE OF MASSACHUSETTS, INC. - MA
Date Assigned: 2007-06-15
857-411

857-413BOSTON, MA
BROADWING COMMUNICATIONS, LLC - MA
Date Assigned: 2005-09-19
857-417BOSTON, MA
METRO PCS, INC.
Date Assigned: 2008-08-04
857-444BOSTON, MA
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
Date Assigned: 2010-11-22
857-445BOSTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2006-03-21
857-449BOSTON, MA
COMCAST PHONE OF MASSACHUSETTS, INC. - MA
Date Assigned: 2002-04-02
857-452CHARLESTN, MA
NEXTEL COMMUNICATIONS, INC.
857-453BOSTON, MA
BROADWING COMMUNICATIONS, LLC - MA
Date Assigned: 2005-05-19
857-472BOSTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2001-12-17
857-488BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2005-09-13
857-492ROXBURY, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-496SO BOSTON, MA
COMCAST PHONE OF MASSACHUSETTS, INC. - MA
Date Assigned: 2004-11-17
857-498BRIGHTON, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2001-08-24
857-499QUINCY, MA
NEW CINGULAR WIRELESS PCS, LLC - DC
Date Assigned: 2001-03-29
857-500CAMBRIDGE, MA
RNK, INC.
Date Assigned: 2011-02-17
857-508

857-511

857-523SOMERVILLE, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-05-03
857-524SO BOSTON, MA
ALLEGIANCE TELECOM, INC. - MA
Date Assigned: 2001-03-27
857-526QUINCY, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-540BRIGHTON, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-544ROXBURY, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-11-28
857-547JAMAICA PL, MA
BROADVIEW NETWORKS, INC. - MA
Date Assigned: 2001-03-20
857-550

857-554

857-555BOSTON, MA
VERIZON NEW ENGLAND INC.
857-559BRIGHTON, MA
ALLEGIANCE TELECOM, INC. - MA
Date Assigned: 2001-03-27
857-574EASTBOSTON, MA
CTC COMMUNICATIONS CORP. - MA
Date Assigned: 2001-03-20
857-576BROOKLINE, MA
RNK, INC.
Date Assigned: 2001-03-20
857-588CHARLESTN, MA
ALLEGIANCE TELECOM, INC. - MA
Date Assigned: 2001-03-27
857-598MILTON, MA
XO MASSACHUSETTS, INC.
Date Assigned: 2001-03-20
857-600CAMBRIDGE, MA
BANDWIDTH.COM CLEC, LLC - MA
Date Assigned: 2011-04-06
857-611

857-615BOSTON, MA
METRO PCS, INC.
Date Assigned: 2009-06-11
857-617

857-626BELMONT, MA
RNK, INC.
Date Assigned: 2001-03-27
857-636NEWTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-07-06
857-654BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2006-10-17
857-700

857-711

857-719JAMAICA PL, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-728JAMAICA PL, MA
ALLEGIANCE TELECOM, INC. - MA
Date Assigned: 2001-03-27
857-753BOSTON, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2005-08-09
857-756CAMBRIDGE, MA
METROPOLITAN TELECOMMUNICATIONS OF MASS DBA METTEL
Date Assigned: 2005-07-26
857-774

857-776CHELSEA, MA
RNK, INC.
Date Assigned: 2001-03-27
857-777CAMBRIDGE, MA
PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA
Date Assigned: 2012-03-05
857-781

857-811

857-814BOSTON, MA
MULTIPLE OCN LISTING
857-816WINTHROP, MA
XO MASSACHUSETTS, INC.
Date Assigned: 2001-03-20
857-829CAMBRIDGE, MA
NEXTEL COMMUNICATIONS, INC.
Date Assigned: 2002-08-13
857-857

857-869BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2007-07-23
857-888EVERETT, MA
SPRINT SPECTRUM L.P.
Date Assigned: 2002-07-30
857-891BOSTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-04-02
857-911

857-919BRIGHTON, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-04-02
857-920

857-928CAMBRIDGE, MA
OMNIPOINT MIAMI E LICENSE, LLC
Date Assigned: 2001-08-03
857-931BOSTON, MA
VERIZON NEW ENGLAND INC.
857-932

857-939QUINCY, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-06-15
857-940

857-950

857-958

857-959

857-976

857-978

857-991BOSTON, MA
COMCAST PHONE OF MASSACHUSETTS, INC. - MA
Date Assigned: 2001-06-19
857-995SOMERVILLE, MA
BROADWING COMMUNICATIONS, LLC - MA
Date Assigned: 2001-03-29
857-996BOSTON, MA
VERIZON NEW ENGLAND INC.
Date Assigned: 2007-08-23
857-997SOMERVILLE, MA
RNK, INC.
Date Assigned: 2001-03-20
857-998CAMBRIDGE, MA
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA
Date Assigned: 2001-05-03
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