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: 355

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
508-355 A Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 0 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 1 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 2 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 3 Marion MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   
508-355 4 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 5 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 6 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 7 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 8 Marion MA BSTPMALLDS1  4536 XO MASSACHUSETS, INC. 128      
508-355 9 Marion MA BSTPMALLDS3  892D ONVOY, LLC - MA 128   2019-02-08   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.