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: 243

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-243 A Trenton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
640-243 0 Trenton NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2023-03-18   
640-243 1 Trenton NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2023-03-18   
640-243 2 Trenton NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2023-03-18   
640-243 3 Trenton NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2023-03-18   
640-243 4 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-03-17   
640-243 5 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-03-17   
640-243 6 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-03-17   
640-243 7 Trenton NJ   637C ONVOY, LLC - NJ 222   2023-03-17   
640-243 8 Trenton NJ   118F BANDWIDTH.COM CLEC, LLC - NJ 222   2023-03-18   
640-243 9 Trenton NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2024-01-14   

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

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