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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Switch: TPKAKSKVX8X

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
785-870 0 Topeka KS 939H COMMIO, LLC 534   2021-06-05   
785-870 1 Topeka KS 939H COMMIO, LLC 534   2024-02-24   
785-870 8 Topeka KS 939H COMMIO, LLC 534   2024-02-24   
785-910 0 Alma KS 939H COMMIO, LLC 534   2023-09-15   
785-910 2 Alma KS 939H COMMIO, LLC 534   2023-09-15   
785-910 3 Alma KS 939H COMMIO, LLC 534   2023-09-15   
785-910 4 Alma KS 939H COMMIO, LLC 534   2023-09-15   
785-910 5 Alma KS 939H COMMIO, LLC 534   2023-09-15   

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Last updated: Wed, 04 Mar 2026 03:00:52 UTC

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