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: ALVAOKMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
580-327 A Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 0 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 1 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 2 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 3 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 4 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 5 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 6 Alva OK 9533 SOUTHWESTERN BELL 536      
580-327 8 Alva OK 9533 SOUTHWESTERN BELL 536      
580-430 A Alva OK 9533 SOUTHWESTERN BELL 536      
580-430 2 Alva OK 9533 SOUTHWESTERN BELL 536      
580-430 3 Alva OK 9533 SOUTHWESTERN BELL 536      
580-430 4 Alva OK 9533 SOUTHWESTERN BELL 536      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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