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: 272

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-272 A Cape May Court House NJ   637C ONVOY, LLC - NJ 220   2025-05-09   
640-272 0 Cape May Court House NJ   637C ONVOY, LLC - NJ 220   2025-05-09   
640-272 1 Cape May Court House NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 220   2025-06-01   
640-272 8 Cape May Court House NJ   637C ONVOY, LLC - NJ 220   2026-01-10   

Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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