Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 640 [Rate centres in NPA 640] [Dial plan for NPA 640]

NXX: 298

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-298 A Barnegat NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 220   2026-02-20   
640-298 0 Barnegat NJ   637C ONVOY, LLC - NJ 220   2026-05-21   
640-298 1 Barnegat NJ   637C ONVOY, LLC - NJ 220   2026-05-21   
640-298 7 Barnegat NJ   883K AHOI LLC 220   2026-05-23   
640-298 9 Barnegat NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 220   2026-02-20   

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

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