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: HSTNTXJAXDY

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
281-945 6 Barker TX 145J TERRA NOVA TELECOM INC. 560   2026-07-05   
281-956 6 Apollo TX 145J TERRA NOVA TELECOM INC. 560   2026-03-29   
346-500 A Houston TX 145J TERRA NOVA TELECOM INC. 560      
346-954 3 Deer Park TX 145J TERRA NOVA TELECOM INC. 560   2026-03-29   
409-682 8 Galveston TX 145J TERRA NOVA TELECOM INC. 560   2026-06-06   
832-678 0 Satsuma TX 145J TERRA NOVA TELECOM INC. 560   2026-02-05   
936-316 6 Grapeland TX 145J TERRA NOVA TELECOM INC. 560   2026-06-06   
936-502 1 Cushing TX 145J TERRA NOVA TELECOM INC. 560   2026-04-30   
936-504 5 Dayton TX 145J TERRA NOVA TELECOM INC. 560   2026-06-08   
936-509 1 Waller TX 145J TERRA NOVA TELECOM INC. 560   2026-02-05   
936-526 0 Diboll TX 145J TERRA NOVA TELECOM INC. 560   2026-04-30   
979-244 0 Bay City TX 145J TERRA NOVA TELECOM INC. 560   2025-02-14   
979-318 8 Bay City TX 145J TERRA NOVA TELECOM INC. 560   2026-05-03   
979-452 1 Beasley TX 145J TERRA NOVA TELECOM INC. 560   2026-07-05   
979-637 6 El Campo TX 145J TERRA NOVA TELECOM INC. 560   2026-06-06   
979-746 4 Sealy TX 145J TERRA NOVA TELECOM INC. 560   2026-04-14   
979-998 3 Industry TX 145J TERRA NOVA TELECOM INC. 560   2026-06-06   

Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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