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: RWLNWYMADS0

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-324 A Rawlins WY 9636 QWEST CORPORATION 654      
307-328 A Rawlins WY 9636 QWEST CORPORATION 654      
307-328 0 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 1 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 2 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 3 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 4 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 7 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 8 Rawlins WY 9636 QWEST CORPORATION 654      
307-328 9 Rawlins WY 9636 QWEST CORPORATION 654      

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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