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: OMAHNEIZDS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-507 A Omaha NE 9631 QWEST CORPORATION 644      
402-551 A Omaha NE 9631 QWEST CORPORATION 644      
402-552 A Omaha NE 9631 QWEST CORPORATION 644      
402-553 A Omaha NE 9631 QWEST CORPORATION 644      
402-554 A Omaha NE 9631 QWEST CORPORATION 644      
402-556 A Omaha NE 9631 QWEST CORPORATION 644      
402-557 A Omaha NE 9631 QWEST CORPORATION 644      
402-558 A Omaha NE 9631 QWEST CORPORATION 644      
402-559 A Omaha NE 9631 QWEST CORPORATION 644      
402-561 A Omaha NE 9631 QWEST CORPORATION 644      
402-575 A Omaha NE 9631 QWEST CORPORATION 644      
531-557 A Omaha NE 9631 QWEST CORPORATION 644      

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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