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.


NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
325-251 A Pontotoc TX PNTTTXXARS0  961      
325-258 A Katemcy TX KTMCTXXARS0  961      
325-265 A Streeter TX STRTTXXARS0  961      
325-429 A Fredonia TX FRDNTXXADS0  961      
830-232 A Frio Canyon TX FRCNTXXA0MD  566      
830-238 A Hunt TX HUNTTXXA0MD  566      
830-324 A Sisterdale TX SSDLTXXARS0  566      
830-367 A Ingram TX INGRTXXADS0  566      
830-562 A Tarpley TX TRPLTXXARS0  566      
830-589 A Medina TX MEDNTXXADS0  566      
830-634 A Center Point TX CNPNTXXADS0  566      
830-640 A Garven Store TX GNSTTXXARS0  566      
830-669 A Doss TX DOSSTXXADS0  566      
830-866 A Mountain Home TX MTHOTXXARS0  566      
830-995 A Comfort TX CMFTTXXADS0  566      

Last updated: Wed, 05 Feb 2020 02:15:44 UTC

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