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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OCN: 7258 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - OK

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-878 6 Tulsa OK TULSOKIMDS0  538      
918-878 8 Tulsa OK TULSOKIMDS0  538      
918-879 A Tulsa OK TULSOKIMDS0  538      
918-907 3 Bartlesville OK TULSOKIMDS0  538   2016-01-27   
918-913 3 Muskogee OK TULSOKIMDS0  538   2007-09-01   
918-957 3 Broken Arrow OK TULSOKIMDS0  538   2017-03-28   
918-977 A Bartlesville OK TULSOKIMDS0  538      
918-977 3 Bartlesville OK TULSOKIMDS0  538   2006-05-01   
918-994 3 Broken Arrow OK TULSOKIMDS0  538   2008-09-17   

<< 1 2 3 4

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

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