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.

OCN: 1163 VALOR TELECOMM TX, LP-TX #1 DBA WINDSTREAM COMM SW

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
940-989 0 Aspermont TX ASPRTXXARP0  548      
940-989 2 Aspermont TX ASPRTXXARS0  548      
940-989 3 Aspermont TX ASPRTXXARS0  548      
940-989 4 Aspermont TX ASPRTXXARS0  548      
940-989 5 Aspermont TX ASPRTXXARS0  548      
940-989 6 Aspermont TX ASPRTXXARS0  548      
940-989 7 Aspermont TX ASPRTXXARS0  548      
940-989 8 Aspermont TX ASPRTXXARS0  548      
940-989 9 Aspermont TX ASPRTXXARS0  548      
940-997 A Rule TX RULETXXARS0  548      

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

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