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.

Switch: RONKVALKX3Z

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
540-945 6 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2017-03-31   
540-945 7 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2017-03-31   
540-945 8 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2017-03-31   
540-945 9 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2017-03-31   
540-952 A Blacksburg VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244      
540-952 4 Blacksburg VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2019-03-22   
540-952 5 Blacksburg VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2019-03-22   
540-952 6 Blacksburg VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2019-03-22   
540-960 6 Covington VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2020-02-24   
540-970 0 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2015-08-31   
540-970 1 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2015-08-31   
826-205 6 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2023-07-24   
826-229 7 Roanoke VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2024-10-04   
826-867 6 Union Hall VA 4644 TELEPORT COMMUNICATIONS AMERICA, LLC - VA 244   2024-02-24   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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