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: 640

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-640 A Camden NJ CMDNNJCE82Z  616J LEAP TELECOM, LLC 222   2024-11-28   
856-640 0 Camden NJ CMDNNJCE82Z  616J LEAP TELECOM, LLC 222   2024-11-28   
856-640 8 Camden NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-06-10   
856-640 9 Camden NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-06-10   

Last updated: Sun, 01 Jun 2025 02:18:11 UTC

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