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: 230

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-230 A Princeton NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222      
640-230 0 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2022-10-08   
640-230 1 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2022-12-21   
640-230 2 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2022-12-21   
640-230 3 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-230 4 Princeton NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2022-11-06   
640-230 5 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-10-08   
640-230 6 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-10-08   
640-230 7 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-10-08   
640-230 8 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2022-10-08   
640-230 9 Princeton NJ CMDNNJCECM2  6626 OMNIPOINT COMMUNICATIONS ENTERPRISES, LP 222   2022-10-07   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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