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: 867

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-867 A Princeton NJ CMDNNJ213MD  939H COMMIO, LLC 222      
640-867 0 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2023-01-06   
640-867 1 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-10-21   
640-867 2 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-867 3 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2023-07-07   
640-867 4 Princeton NJ CMDNNJCE59Z  6391 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - NJ 222   2023-07-07   
640-867 5 Princeton NJ CMDNNJ213MD  939H COMMIO, LLC 222   2022-12-19   
640-867 6 Princeton NJ CMDNNJ213MD  939H COMMIO, LLC 222   2022-12-19   
640-867 7 Princeton NJ CMDNNJ213MD  939H COMMIO, LLC 222   2022-12-19   
640-867 8 Princeton NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-10-21   
640-867 9 Princeton NJ CMDNNJCEXQY  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2023-10-02   

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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