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: 276 [Rate centres in NPA 276] [Dial plan for NPA 276]

NXX: 255

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
276-255 A Wise VA RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244      
276-255 0 Wise VA   515J IP HORIZON LLC 244   2022-01-01   
276-255 1 Wise VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2022-03-14   
276-255 2 Wise VA RONKVAGEAMD  516J TON80 COMMUNICATIONS, LLC 244   2022-03-02   
276-255 3 Wise VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2022-02-13   
276-255 4 Wise VA RONKVALKXJY  8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244   2021-10-05   
276-255 5 Wise VA RONKVALKX9Z  515J IP HORIZON LLC 244   2024-02-05   
276-255 6 Wise VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2021-12-02   
276-255 7 Wise VA RONKVALKXGX  624H ONVOY SPECTRUM, LLC 244   2021-12-02   
276-255 8 Wise VA RONKVALKX1Z  138E ONVOY, LLC - VA 244   2022-03-14   
276-255 9 Wise VA RONKVALKX9Z  515J IP HORIZON LLC 244   2024-02-05   

Last updated: Sat, 05 Apr 2025 03:03:23 UTC

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