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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Switch: OKLDNEUWRS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-685 A Oakland NE 9631 QWEST CORPORATION 644      
402-685 1 Oakland NE 9631 QWEST CORPORATION 644      
402-685 5 Oakland NE 9631 QWEST CORPORATION 644      
402-685 6 Oakland NE 9631 QWEST CORPORATION 644      
402-685 7 Oakland NE 9631 QWEST CORPORATION 644   2008-02-15   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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