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: 480

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-480 A Mullica Hill NJ CMDNNJCE69Z  7421 AT&T - LOCAL 222      
856-480 0 Mullica Hill NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2024-07-08   
856-480 1 Mullica Hill NJ   637C ONVOY, LLC - NJ 222   2025-10-26   
856-480 2 Mullica Hill NJ   637C ONVOY, LLC - NJ 222   2026-02-07   
856-480 7 Mullica Hill NJ CMDNNJCE51Z  624H ONVOY SPECTRUM, LLC 222   2022-02-05   
856-480 8 Mullica Hill NJ CMDNNJCE51Z  624H ONVOY SPECTRUM, LLC 222   2022-02-05   
856-480 9 Mullica Hill NJ CMDNNJCE69Z  7421 AT&T - LOCAL 222   2021-07-06   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.