Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 276 [Rate centres in NPA 276] [Dial plan for NPA 276]

NXX: 421

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
276-421 A Bassett VA RONKVALKX2Z  318J COMCAST IP PHONE, LLC 244      
276-421 0 Bassett VA   138E ONVOY, LLC - VA 244   2021-07-24   
276-421 1 Bassett VA   138E ONVOY, LLC - VA 244   2020-11-03   
276-421 2 Bassett VA   318J COMCAST IP PHONE, LLC 244   2012-05-14   
276-421 3 Bassett VA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 244   2016-09-30   
276-421 4 Bassett VA   138E ONVOY, LLC - VA 244   2020-04-29   
276-421 5 Bassett VA   318J COMCAST IP PHONE, LLC 244   2015-09-11   
276-421 6 Bassett VA   4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2016-09-02   
276-421 7 Bassett VA   8825 LEVEL 3 COMMUNICATIONS, LLC - VA 244   2013-12-11   
276-421 8 Bassett VA   138E ONVOY, LLC - VA 244   2020-11-03   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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