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: 974

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-974 A Vineland NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-974 0 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2007-09-05   
856-974 1 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2011-02-13   
856-974 2 Vineland NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2011-01-17   
856-974 3 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2007-06-29   
856-974 4 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2007-06-29   
856-974 5 Vineland NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-974 6 Vineland NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-974 7 Vineland NJ PRTNNJ312MD  4804 LEVEL 3 COMMUNICATIONS, LLC - NJ 222      
856-974 8 Vineland NJ   145J TERRA NOVA TELECOM INC. 222   2022-07-04   
856-974 9 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2022-07-21   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.