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: TULUOKSP1MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
918-857 7 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538      
918-857 8 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538      
918-857 9 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538      
918-938 3 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2007-09-30   
918-948 1 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2006-06-20   
918-948 2 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2006-06-20   
918-948 3 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2006-06-20   
918-948 4 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2006-06-20   
918-948 5 Tulsa OK 6272 UNITED STATES CELLULAR - OK 538   2006-06-20   
918-981 A Pryor OK 6272 UNITED STATES CELLULAR - OK 538      
918-981 0 Pryor OK 6272 UNITED STATES CELLULAR - OK 538   2012-11-26   

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Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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