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: 648

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
856-648 A Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   
856-648 0 Haddonfield NJ   637C ONVOY, LLC - NJ 222   2025-10-26   
856-648 1 Haddonfield NJ   637C ONVOY, LLC - NJ 222   2026-01-04   
856-648 2 Haddonfield NJ   637C ONVOY, LLC - NJ 222   2026-05-21   
856-648 3 Haddonfield NJ   637C ONVOY, LLC - NJ 222   2026-06-14   
856-648 5 Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   
856-648 6 Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   
856-648 7 Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   
856-648 8 Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   
856-648 9 Haddonfield NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2025-01-23   

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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