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: 452

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-452 A Mansfield MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-452 0 Mansfield MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-452 1 Mansfield MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-452 2 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-452 3 Mansfield MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-452 4 Mansfield MA BSTNMACOVMD  4084 PAETEC COMMUNICATIONS, INC. - MA 128      
508-452 5 Mansfield MA   145J TERRA NOVA TELECOM INC. 128      
508-452 6 Mansfield MA BSTPMALLDS3  892D ONVOY, LLC - MA 128      
508-452 7 Mansfield MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-452 8 Mansfield MA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 128      
508-452 9 Mansfield MA CATNMAAKAMD  6387 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MA 128      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.