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: KRNGCOMARS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
970-724 A Kremmling CO 9636 QWEST CORPORATION 656      
970-724 0 Kremmling CO 9636 QWEST CORPORATION 656      
970-724 1 Kremmling CO 9636 QWEST CORPORATION 656      
970-724 3 Kremmling CO 9636 QWEST CORPORATION 656      
970-724 8 Kremmling CO 9636 QWEST CORPORATION 656      
970-724 9 Kremmling CO 9636 QWEST CORPORATION 656      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

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