Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 857 [Rate centres in NPA 857] [Dial plan for NPA 857]

NXX: 998

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
857-998 A Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-998 0 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-998 1 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-998 2 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-04-01   
857-998 3 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2009-08-03   
857-998 4 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-07   
857-998 5 Cambridge MA BSTNMABLOMD  990E BANDWIDTH.COM CLEC, LLC - MA 128   2022-11-18   
857-998 6 Cambridge MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-10-07   
857-998 7 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
857-998 8 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-09-21   
857-998 9 Cambridge MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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