Area Code — 857

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Rate centers: BOSTON, WINTHROP, JAMAICA PL, CAMBRIDGE, DORCHESTER, BROOKLINE, NEWTON, SOMERVILLE, WATERTOWN, ROXBURY, QUINCY, SO BOSTON, EASTBOSTON, HYDE PARK, EVERETT, BELMONT, CHARLESTN, BRIGHTON, MILTON, CHELSEA

Companies: CELLCO PARTNERSHIP DBA VERIZON WIRELESS, SPRINT SPECTRUM L.P., OMNIPOINT MIAMI E LICENSE, LLC, VERIZON NEW ENGLAND INC., BANDWIDTH.COM CLEC, LLC, NEW CINGULAR WIRELESS PCS, LLC - DC, INFOTELECOM, LLC, COMCAST PHONE OF MASSACHUSETTS, INC., PAETEC COMMUNICATIONS, INC., XO MASSACHUSETTS, INC., BROADWING COMMUNICATIONS, LLC, NEUTRAL TANDEMSSACHUSETTS, LLC, CONVERSENT COMMUNICATIONS OF MASSACHUSETTS, LLC, ALLEGIANCE TELECOM, INC., YMAX COMMUNICATIONS CORP., RNK, INC., CBEYOND COMMUNICATIONS, LLC, CTC COMMUNICATIONS CORP., BROADVIEW NETWORKS, INC., NEXTEL COMMUNICATIONS, INC., TELEPORT COMMUNICATIONS GROUP - BOSTON, DSCI CORPORATION, MCIMETRO ACCESS TRANSMISSION SERVICES LLC, LEVEL 3 COMMUNICATIONS, LLC, METRO PCS, INC., PEERLESS NETWORK OF MASSACHUSETTS, LLC, ACC NATIONAL TELECOM CORPORATION, MCI WORLDCOM COMMUNICATIONS, INC., AT&T LOCAL, BRAHMACOM, INC., METROPOLITAN TELECOMMUNICATIONS OF MASS DBA METTEL, MULTIPLE OCN LISTING

List of 857 Area-Code Phone Number Prefixes

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