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

NXX: 400

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
640-400 A Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 0 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 1 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 2 Sea Isle City NJ PSVLNJPLXKX  264F PEERLESS NETWORK OF NEW JERSEY, LLC - NJ 220      
640-400 3 Sea Isle City NJ PSVLNJPLX7Z  624H ONVOY SPECTRUM, LLC 220      
640-400 4 Sea Isle City NJ PSVLNJPLXBZ  965H FRACTEL, LLC 220      
640-400 5 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 6 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 7 Sea Isle City NJ PSVLNJPLXHX  118F BANDWIDTH.COM CLEC, LLC - NJ 220      
640-400 8 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      
640-400 9 Sea Isle City NJ PSVLNJPLXRX  637C ONVOY, LLC - NJ 220      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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