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: 204

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-204 A Vineland NJ CMDNNJCEX6Z  325E YMAX COMMUNICATIONS CORP. - NJ 222      
856-204 0 Vineland NJ CMDNNJCEX6Z  325E YMAX COMMUNICATIONS CORP. - NJ 222   2007-01-06   
856-204 1 Vineland NJ CMDNNJCEX6Z  325E YMAX COMMUNICATIONS CORP. - NJ 222   2007-01-06   
856-204 2 Vineland NJ   145J TERRA NOVA TELECOM INC. 222   2021-01-25   
856-204 3 Vineland NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2021-03-13   
856-204 4 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2019-09-27   
856-204 5 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2020-08-18   
856-204 6 Vineland NJ CMDNNJCE62Z  506J TWILIO INTERNATIONAL, INC. 222   2020-12-19   
856-204 7 Vineland NJ   515J IP HORIZON LLC 222   2020-05-31   
856-204 8 Vineland NJ CMDNNJCECM2  5562 METROPCS, INC. 222   2022-04-21   
856-204 9 Vineland NJ   515J IP HORIZON LLC 222   2020-05-31   

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

Sponsored by: VoIP Much Phone Company

Like this site? We accept donations via PayPal.