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: 2018 PIONEER TEL. COOP., INC.

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
580-922 8 Seiling OK SLNGOKXARS0  536      
580-922 9 Seiling OK SLNGOKXARS0  536      
580-923 A Gage OK GAGEOKXARS0  536      
580-935 A Marshall OK MRSHOKXARS0  536      
580-938 A Shattuck OK SHTCOKXARS0  536      
580-938 2 Shattuck OK SHTCOKXARS0  536      
580-938 3 Shattuck OK SHTCOKXARS0  536      
580-938 4 Shattuck OK SHTCOKXARS0  536      
580-938 5 Shattuck OK SHTCOKXARS0  536      
580-938 6 Shattuck OK SHTCOKXARS0  536      
580-938 7 Shattuck OK SHTCOKXARS0  536      
580-938 8 Shattuck OK SHTCOKXARS0  536      
580-938 9 Shattuck OK SHTCOKXARS0  536      
580-939 A Harmon OK HRMNOKXARS0  536      
580-963 A Hastings OK HSNGOKXARS0  536      
580-987 A Carmen OK CRMNOKXARS0  536      
580-989 A Mutual OK MUTLOKXARS1  536      
580-994 A Mooreland OK MRLDOKXADS0  536      

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Last updated: Sun, 17 May 2026 03:26:51 UTC

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