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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NPA: 918 [Rate centres in NPA 918] [Dial plan for NPA 918]

NXX: 533

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
918-533 A Miami OK TULUOKSP1MD  6272 UNITED STATES CELLULAR - OK 538      
918-533 0 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 1 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 2 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 3 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 4 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 5 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 6 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 7 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 8 Miami OK   6272 UNITED STATES CELLULAR - OK 538      
918-533 9 Miami OK   119F BANDWIDTH.COM CLEC, LLC - OK 538   2008-12-01   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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