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: 6272 UNITED STATES CELLULAR - OK

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NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
918-637 3 Tulsa OK   538      
918-637 4 Tulsa OK   538      
918-637 5 Tulsa OK   538      
918-637 6 Tulsa OK   538      
918-637 7 Tulsa OK   538      
918-637 8 Tulsa OK   538      
918-637 9 Tulsa OK   538      
918-638 A Tulsa OK TULUOKSP1MD  538      
918-638 0 Tulsa OK   538      
918-638 1 Tulsa OK   538      
918-638 2 Tulsa OK   538      
918-638 3 Tulsa OK   538      
918-638 4 Tulsa OK   538      
918-638 5 Tulsa OK   538      
918-638 6 Tulsa OK   538      
918-638 7 Tulsa OK   538      
918-638 8 Tulsa OK   538      
918-638 9 Tulsa OK   538      
918-639 A Tulsa OK TULUOKSP1MD  538      
918-639 0 Tulsa OK   538      
918-639 1 Tulsa OK   538      
918-639 2 Tulsa OK   538      
918-639 3 Tulsa OK   538      
918-639 4 Tulsa OK   538      
918-639 5 Tulsa OK   538      
918-639 6 Tulsa OK   538      
918-639 7 Tulsa OK   538      
918-639 8 Tulsa OK   538      
918-639 9 Tulsa OK   538      
918-650 2 Henryetta OK TULUOKSP1MD  538      
918-650 3 Henryetta OK TULUOKSP1MD  538      
918-650 5 Henryetta OK TULUOKSP1MD  538      
918-650 8 Henryetta OK TULUOKSP1MD  538      
918-680 0 Muskogee OK TULUOKSP1MD  538      
918-680 1 Muskogee OK TULUOKSP1MD  538      
918-680 2 Muskogee OK TULUOKSP1MD  538      
918-684 8 Muskogee OK TULUOKSP1MD  538      
918-686 3 Muskogee OK TULUOKSP1MD  538      
918-693 A Tulsa OK TULUOKSP1MD  538      
918-693 0 Tulsa OK   538      
918-693 1 Tulsa OK   538      
918-693 2 Tulsa OK   538      
918-693 3 Tulsa OK   538      
918-693 4 Tulsa OK   538      
918-693 5 Tulsa OK   538      
918-693 6 Tulsa OK   538      
918-693 7 Tulsa OK   538      
918-693 8 Tulsa OK   538      
918-693 9 Tulsa OK   538      
918-694 A Tulsa OK TULUOKSP1MD  538      

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

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