Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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OCN: 5257 LEVEL 3 COMMUNICATIONS, LLC - OK

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-948 6 Tulsa OK TULTOKCL8MD  538   2005-08-07   
918-948 7 Tulsa OK TULTOKCL8MD  538   2005-08-07   
918-948 8 Tulsa OK TULTOKCL8MD  538   2005-08-07   
918-948 9 Tulsa OK TULTOKCL8MD  538   2005-08-07   
918-953 8 Adair OK TULTOKCL8MD  538   2017-05-30   
918-965 2 Claremore OK TULTOKCL8MD  538   2017-03-18   
918-969 7 Bokoshe OK TULTOKCL8MD  538   2017-04-12   
918-974 0 Poteau OK TULTOKCL8MD  538   2016-01-31   
918-983 7 Monroe Howe OK TULTOKCL8MD  538   2017-04-08   
918-992 A Tulsa OK TULTOKCL8MD  538      
918-992 2 Tulsa OK TULTOKCL8MD  538   2014-05-04   
918-992 3 Tulsa OK TULTOKCL8MD  538   2014-07-24   
918-992 4 Tulsa OK TULTOKCL8MD  538   2014-07-24   
918-992 6 Tulsa OK TULTOKCL8MD  538   2014-09-13   
918-992 7 Tulsa OK TULTOKCL8MD  538   2014-09-13   
918-994 A Broken Arrow OK TULTOKCL8MD  538      
918-994 0 Broken Arrow OK TULTOKCL8MD  538   2008-06-27   
918-994 1 Broken Arrow OK TULTOKCL8MD  538   2008-06-27   

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Last updated: Sat, 01 Aug 2026 03:19:33 UTC

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