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: 273

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-273 A Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2025-05-09   
640-273 0 Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2025-05-09   
640-273 1 Hammonton NJ HMTNNJHAAMD  732J NUSO, LLC 220   2025-05-12   
640-273 6 Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2026-06-14   
640-273 7 Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2026-05-08   
640-273 8 Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2026-02-20   
640-273 9 Hammonton NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2026-02-20   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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