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: 580 [Rate centres in NPA 580] [Dial plan for NPA 580]

NXX: 591

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
580-591 A Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 0 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 1 Lawton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-591 2 Lawton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-591 3 Lawton OK ENIDOKKI0MD  6272 UNITED STATES CELLULAR - OK 536      
580-591 4 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 5 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 6 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 7 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 8 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      
580-591 9 Lawton OK LWTNOKTBDS0  9533 SOUTHWESTERN BELL 536      

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

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