Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-439 A Westboro MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-439 0 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-11-19   
508-439 1 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-08-02   
508-439 2 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-02-03   
508-439 3 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2004-07-02   
508-439 4 Westboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2004-01-31   
508-439 5 Westboro MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2003-11-16   
508-439 6 Westboro MA CMBRMAORDSG  4018 LEVEL 3 COMMUNICATIONS, LLC - MA 128   2005-02-14   
508-439 7 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-04-01   
508-439 8 Westboro MA STHMMAGBGT0  7619 RCN TELECOM SERVICES, INC. - MA 128      
508-439 9 Westboro MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2003-08-10   

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

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