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: 232

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-232 A Burlington NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222      
640-232 0 Burlington NJ   637C ONVOY, LLC - NJ 222   2023-10-21   
640-232 1 Burlington NJ   637C ONVOY, LLC - NJ 222   2023-10-21   
640-232 2 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 3 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 4 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 5 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 6 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 7 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 8 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   
640-232 9 Burlington NJ   637C ONVOY, LLC - NJ 222   2022-11-04   

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

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