Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 856 [Rate centres in NPA 856] [Dial plan for NPA 856]

NXX: 331

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-331 A Camden NJ CMDNNJCE89Z  700J WAVENATION, LLC 222   2026-01-31   
856-331 0 Camden NJ CMDNNJCE89Z  700J WAVENATION, LLC 222   2026-01-31   
856-331 1 Camden NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2026-05-21   
856-331 6 Camden NJ   637C ONVOY, LLC - NJ 222   2026-07-24   
856-331 7 Camden NJ   637C ONVOY, LLC - NJ 222   2026-07-24   
856-331 8 Camden NJ   637C ONVOY, LLC - NJ 222   2026-07-24   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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