Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 774 [Rate centres in NPA 774] [Dial plan for NPA 774]

NXX: 437

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
774-437 A Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      
774-437 0 Worcester MA NRTNMAAACM4  6889 OMNIPOINT MIAMI E LICENSE, LLC 128   2022-10-21   
774-437 1 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-07-02   
774-437 2 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2005-07-02   
774-437 3 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2012-11-01   
774-437 4 Worcester MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2002-06-01   
774-437 5 Worcester MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2002-06-01   
774-437 6 Worcester MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2002-06-01   
774-437 7 Worcester MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128   2002-06-01   
774-437 8 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-05-24   
774-437 9 Worcester MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2007-02-02   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.