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: 2159 VALLEY TEL. COOP., INC.

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
361-274 A Tilden TX TLDNTXXARS0  564      
361-539 A Concepcion TX CNCPTXXARS0  564      
361-566 A Annarose TX ANRSTXXARS0  564      
361-568 A Encino TX ENCNTXXARS0  564      
361-586 A Mirando City TX MRCYTXXARS0  564      
830-373 A Fowlerton TX MLETTXXARS0  566      
830-378 A Millett TX MLETTXXARS0  566      
830-466 A San Miguel TX MLETTXXARS0  566      
830-676 A Artesia Wells TX MLETTXXARS0  566      
956-248 A San Perlita TX RMVLTXXBDS0  568      
956-248 0 San Perlita TX RMVLTXXBDS0  568      
956-248 1 San Perlita TX RMVLTXXBDS0  568      
956-248 2 San Perlita TX RMVLTXXBDS0  568      
956-248 3 San Perlita TX RMVLTXXBDS0  568      
956-248 4 San Perlita TX RMVLTXXBDS0  568      
956-248 5 San Perlita TX RMVLTXXBDS0  568      
956-248 8 San Perlita TX RMVLTXXBDS0  568      
956-248 9 San Perlita TX RMVLTXXBDS0  568      
956-481 A San Isidro TX SISDTXXARS0  568      
956-486 A El Sauz TX ELSZTXXARS0  568      
956-642 A Lasara TX LASRTXXARS0  568      
956-642 0 Lasara TX LASRTXXARS0  568      
956-642 1 Lasara TX LASRTXXARS0  568      
956-642 2 Lasara TX LASRTXXARS0  568      
956-642 3 Lasara TX LASRTXXARS0  568      
956-642 4 Lasara TX LASRTXXARS0  568      
956-642 5 Lasara TX LASRTXXARS0  568      
956-642 8 Lasara TX LASRTXXARS0  568      
956-642 9 Lasara TX LASRTXXARS0  568      
956-743 A Stillman TX RMVLTXXBDS0  568      
956-842 A McCook TX HRGLTXXARS0  568      
956-845 A Hargill TX HRGLTXXARS0  568      
956-944 A Port Mansfield TX PTMNTXXARS0  568      

Last updated: Fri, 10 Jul 2026 02:55:48 UTC

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