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: 246

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-246 A Trenton NJ CMDNNJ216MD  732J NUSO, LLC 222      
640-246 0 Trenton NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-04-03   
640-246 1 Trenton NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-04-03   
640-246 2 Trenton NJ   732J NUSO, LLC 222   2023-04-02   
640-246 3 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-06-18   
640-246 4 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-06-18   
640-246 5 Trenton NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-12-09   
640-246 6 Trenton NJ   197D VONAGE AMERICA LLC 222   2023-12-10   
640-246 7 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-10-21   
640-246 8 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-10-21   
640-246 9 Trenton NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-09-14   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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