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: 277

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-277 A Beaver Brook NJ   637C ONVOY, LLC - NJ 222   2026-05-02   
856-277 0 Beaver Brook NJ   637C ONVOY, LLC - NJ 222   2026-05-02   
856-277 1 Beaver Brook NJ   637C ONVOY, LLC - NJ 222   2026-05-21   
856-277 4 Beaver Brook NJ   883K AHOI LLC 222   2026-05-23   

Last updated: Sat, 02 May 2026 12:20:53 UTC

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