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: 757 [Rate centres in NPA 757] [Dial plan for NPA 757]

NXX: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
757-666 A Onancock VA   138E ONVOY, LLC - VA 252      
757-666 0 Onancock VA   138E ONVOY, LLC - VA 252      
757-666 1 Onancock VA NRFLVABSXTY  138E ONVOY, LLC - VA 252      
757-666 2 Onancock VA NRFLVABSXTY  138E ONVOY, LLC - VA 252      
757-666 3 Onancock VA NRFLVABSNMD  624H ONVOY SPECTRUM, LLC 252      
757-666 4 Onancock VA NRFLVABSXTY  138E ONVOY, LLC - VA 252      
757-666 5 Onancock VA NRFLVABSXTY  138E ONVOY, LLC - VA 252      
757-666 6 Onancock VA NRFLVABSXWY  4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 252      
757-666 8 Onancock VA NRFLVABSUMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 252      
757-666 9 Onancock VA NRFLVABSUMD  6827 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - VA 252      

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.