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: 356

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-356 A Medford NJ CMDNNJCE57Z  965H FRACTEL, LLC 222      
640-356 0 Medford NJ CMDNNJCEXAZ  835E BLOCK LINE SYSTEMS, LLC - NJ 222   2022-12-31   
640-356 1 Medford NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-356 2 Medford NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-356 3 Medford NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-356 4 Medford NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-356 5 Medford NJ   264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 222   2025-02-27   
640-356 6 Medford NJ   4036 NEW CINGULAR WIRELESS PCS, LLC - DC 222   2026-04-05   
640-356 7 Medford NJ CMDNNJCE57Z  965H FRACTEL, LLC 222   2021-05-30   
640-356 8 Medford NJ CMDNNJCEX8Z  637C ONVOY, LLC - NJ 222   2023-08-09   
640-356 9 Medford NJ CMDNNJCE57Z  965H FRACTEL, LLC 222   2021-05-30   

Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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