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: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-503 A Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222      
856-503 0 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2006-03-06   
856-503 1 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2014-08-31   
856-503 2 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2005-04-08   
856-503 3 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2005-04-08   
856-503 4 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2006-01-07   
856-503 5 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2004-03-06   
856-503 6 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2004-03-06   
856-503 7 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2003-05-24   
856-503 8 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2003-03-23   
856-503 9 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2003-03-23   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.