Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 640 [Rate centres in NPA 640] [Dial plan for NPA 640]

NXX: 837

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-837 A Cape May Court House NJ PSVLNJPLXKX  482F CORETEL NEW JERSEY, INC. - NJ 220      
640-837 0 Cape May Court House NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2019-08-16   
640-837 1 Cape May Court House NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2019-08-16   
640-837 2 Cape May Court House NJ PSVLNJPLNMD  4036 NEW CINGULAR WIRELESS PCS, LLC - DC 220   2020-02-09   
640-837 4 Cape May Court House NJ PSVLNJPLDS8  482F CORETEL NEW JERSEY, INC. - NJ 220   2019-05-31   
640-837 5 Cape May Court House NJ PSVLNJPLDS8  482F CORETEL NEW JERSEY, INC. - NJ 220   2019-05-31   
640-837 6 Cape May Court House NJ PSVLNJPLDS8  482F CORETEL NEW JERSEY, INC. - NJ 220   2019-05-31   
640-837 7 Cape May Court House NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2020-07-17   
640-837 8 Cape May Court House NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220   2020-07-17   
640-837 9 Cape May Court House NJ PSVLNJPLXKX  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 220   2021-10-09   

Last updated: Wed, 01 Jun 2022 03:09:23 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.