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: DLLSTX97TMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
945-699 4 McKinney TX 939H COMMIO, LLC 552   2021-09-04   
945-699 5 McKinney TX 939H COMMIO, LLC 552   2021-09-04   
945-699 6 McKinney TX 939H COMMIO, LLC 552   2021-09-04   
945-699 7 McKinney TX 939H COMMIO, LLC 552   2021-09-04   
945-810 0 Irving TX 939H COMMIO, LLC 552   2021-06-05   
945-810 1 Irving TX 939H COMMIO, LLC 552   2021-06-05   
945-810 2 Irving TX 939H COMMIO, LLC 552   2021-06-05   
945-810 3 Irving TX 939H COMMIO, LLC 552   2021-06-05   
945-810 4 Irving TX 939H COMMIO, LLC 552   2021-06-05   
945-946 9 Terrell TX 939H COMMIO, LLC 552   2022-11-13   

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Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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