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: 944

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-944 A Vineland NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-05-13   
856-944 0 Vineland NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-05-13   
856-944 1 Vineland NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-05-13   
856-944 9 Vineland NJ CMDNNJCEXRY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-12-15   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.