Local Calling Guide

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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

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NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-500 0 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-05-01   
857-500 1 Cambridge MA   6664 SPRINT SPECTRUM L.P. 128   2011-11-29   
857-500 2 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-07-01   
857-500 3 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2013-02-15   
857-500 4 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2011-11-29   
857-500 5 Cambridge MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2013-08-15   
857-500 6 Cambridge MA   4536 XO MASSACHUSETTS, INC. 128   2011-11-29   
857-500 7 Cambridge MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2014-09-01   
857-500 8 Cambridge MA   966G LOCAL ACCESS LLC - MA 128   2013-08-08   
857-500 9 Cambridge MA   6889 OMNIPOINT MIAMI E LICENSE, LLC DBA T-MOBILE USA 128   2013-10-11   
857-504 A Boston MA   648G MOSAIC NETWORX LLC - MA 128      
857-504 0 Boston MA   648G MOSAIC NETWORX LLC - MA 128   2015-10-16   
857-504 1 Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-11-07   
857-504 2 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2016-02-19   
857-504 3 Boston MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2015-11-10   
857-504 4 Boston MA   5562 METRO PCS, INC. 128   2016-02-13   
857-504 5 Boston MA   5562 METRO PCS, INC. 128   2016-02-13   
857-504 6 Boston MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2016-02-19   
857-504 7 Boston MA   7199 MCI WORLDCOM COMMUNICATIONS, INC. - MA 128   2016-03-09   
857-504 8 Boston MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2015-12-06   
857-504 9 Boston MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2016-02-04   
857-505 A Boston MA   5562 METRO PCS, INC. 128      
857-505 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-25   
857-505 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-25   
857-505 2 Boston MA   892D ONVOY, LLC - MA 128   2017-02-10   
857-505 3 Boston MA   4084 PAETEC COMMUNICATIONS, INC.- MA 128   2016-12-13   
857-505 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-01-31   
857-505 5 Boston MA   5562 METRO PCS, INC. 128   2016-11-12   
857-505 6 Boston MA   5562 METRO PCS, INC. 128   2016-11-12   
857-505 7 Boston MA   5562 METRO PCS, INC. 128   2016-11-12   
857-505 8 Boston MA   5562 METRO PCS, INC. 128   2016-11-12   
857-505 9 Boston MA   5562 METRO PCS, INC. 128   2016-11-12   
857-507 A Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-507 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 8 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-507 9 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2016-11-21   
857-520 A Hyde Park MA   892D ONVOY, LLC - MA 128      
857-520 0 Hyde Park MA   073H TELNYX LLC 128   2017-04-26   
857-520 1 Hyde Park MA   966G LOCAL ACCESS LLC - MA 128   2017-07-06   
857-520 2 Hyde Park MA   892D ONVOY, LLC - MA 128   2016-03-04   
857-520 3 Hyde Park MA   892D ONVOY, LLC - MA 128   2016-03-04   
857-520 4 Hyde Park MA   892D ONVOY, LLC - MA 128   2020-06-21   
857-520 5 Hyde Park MA   732H BARR TELL USA, INC. - MA 128   2016-01-02   

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Last updated: Thu, 10 Sep 2020 02:15:24 UTC

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