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.

Switch: TULSOKIMDS0

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-913 3 Muskogee OK 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 538   2007-09-01   
918-957 3 Broken Arrow OK 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 538   2017-03-28   
918-977 A Bartlesville OK 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 538      
918-977 3 Bartlesville OK 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 538   2006-05-01   
918-994 3 Broken Arrow OK 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK 538   2008-09-17   

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Last updated: Tue, 01 Sep 2026 00:40:05 UTC

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