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: SNANTX91XMY

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-867 6 Brackettville TX 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566   2012-04-15   
830-875 4 Luling TX 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566   2012-04-15   
830-931 8 Castroville EMS TX 671J U.S. TELEPACIFIC CORP. DBA TPX COMMUNICATIONS 566   2010-12-23   

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

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