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: LYNCNEXSDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
402-229 A Verdel NE 1525 THREE RIVER TELCO 644      
402-382 A Ainsworth NE 681A THREE RIVER COMMUNICATIONS, LLC - NE 644      
402-497 A Springview NE 1525 THREE RIVER TELCO 644      
402-569 A Lynch NE 1525 THREE RIVER TELCO 644      
402-722 A Johnstown NE 1525 THREE RIVER TELCO 644      
402-832 A Naper NE 1525 THREE RIVER TELCO 644      
605-834 A North Naper SD 1525 THREE RIVER TELCO 644      

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

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