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: SNANTXCA85Z

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
726-900 A San Antonio TX 145J TERRA NOVA TELECOM INC. 566      
830-242 A Knippa TX 145J TERRA NOVA TELECOM INC. 566      
830-261 6 Uvalde TX 145J TERRA NOVA TELECOM INC. 566   2026-04-20   
830-322 0 Carrizo Springs TX 145J TERRA NOVA TELECOM INC. 566   2026-04-14   
830-336 6 Kenberg TX 145J TERRA NOVA TELECOM INC. 566   2026-07-05   
830-364 8 Hondo TX 145J TERRA NOVA TELECOM INC. 566   2026-07-05   
830-375 0 Boerne TX 145J TERRA NOVA TELECOM INC. 566   2026-04-14   
830-848 0 Kenedy TX 145J TERRA NOVA TELECOM INC. 566   2026-06-08   
830-906 9 Hancock 906 TX 145J TERRA NOVA TELECOM INC. 566   2026-04-30   
956-284 7 Laredo TX 145J TERRA NOVA TELECOM INC. 566   2026-06-09   

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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