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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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-772 A Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 0 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 1 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 2 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 3 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 4 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 5 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 6 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-772 7 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 A Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 0 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 1 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 2 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 3 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 4 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 5 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 6 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-774 7 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-816 A Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-816 4 Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-819 A Weatherford OK 9533 SOUTHWESTERN BELL 536      
580-819 5 Weatherford OK 9533 SOUTHWESTERN BELL 536      

Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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