Local Calling Guide

Area code/prefix search

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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
857-288 2 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2009-10-25   
857-288 3 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2009-10-25   
857-288 4 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2009-10-25   
857-288 5 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2006-11-10   
857-288 6 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2006-11-10   
857-288 7 Boston MA   4536 XO MASSACHUSETTS, INC. 128   2006-11-10   
857-288 8 Boston MA   990E BANDWIDTH.COM CLEC, LLC - MA 128   2009-11-19   
857-288 9 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2011-07-18   
857-289 A Boston MA   892D ONVOY, LLC - MA 128   2017-07-01   
857-289 0 Boston MA   892D ONVOY, LLC - MA 128   2017-07-01   
857-289 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 8 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-289 9 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-03   
857-290 A Newton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-14   
857-290 0 Newton MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-07-14   
857-290 1 Newton MA   892D ONVOY, LLC - MA 128   2018-09-02   
857-290 2 Newton MA   892D ONVOY, LLC - MA 128   2018-06-16   
857-290 3 Newton MA   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 128   2019-10-18   
857-290 4 Newton MA   892D ONVOY, LLC - MA 128   2020-04-18   
857-290 5 Newton MA   892D ONVOY, LLC - MA 128   2020-04-18   
857-290 6 Newton MA   4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2020-07-24   
857-290 8 Newton MA   892D ONVOY, LLC - MA 128   2019-02-11   
857-290 9 Newton MA   268F PEERLESS NETWORK OF MASSACHUSETTS, LLC - MA 128   2018-10-30   
857-291 A Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 8 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-291 9 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-09   
857-292 A Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 0 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 1 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 2 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 3 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 4 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 5 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 6 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 7 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   
857-292 8 Boston MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2017-10-30   

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

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