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: JLBGCOMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
308-445 A North Julesburg NE 9636 QWEST CORPORATION 656      
970-474 A Julesburg CO 9636 QWEST CORPORATION 656      
970-474 0 Julesburg CO 9636 QWEST CORPORATION 656      
970-474 1 Julesburg CO 9636 QWEST CORPORATION 656      
970-474 2 Julesburg CO 9636 QWEST CORPORATION 656      
970-474 3 Julesburg CO 9636 QWEST CORPORATION 656      
970-474 4 Julesburg CO 9636 QWEST CORPORATION 656      
970-474 9 Julesburg CO 9636 QWEST CORPORATION 656      

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

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