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: 508 [Rate centres in NPA 508] [Dial plan for NPA 508]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-688 A Worcester MA FRMNMAWAEMD  7421 AT&T LOCAL 128      
508-688 0 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-06-02   
508-688 1 Worcester MA   7421 AT&T LOCAL 128      
508-688 2 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-06-02   
508-688 3 Worcester MA   7421 AT&T LOCAL 128      
508-688 4 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-06-02   
508-688 5 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-06-02   
508-688 6 Worcester MA   7421 AT&T LOCAL 128      
508-688 7 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-01-18   
508-688 8 Worcester MA   7421 AT&T LOCAL 128      
508-688 9 Worcester MA   6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128   2006-01-18   

Last updated: Tue, 31 Dec 2019 02:37:20 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.