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: CHYNWYVACM1

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-744 A Newcastle WY 013B UNION TELEPHONE COMPANY 654      
307-747 A Mountain View WY 013B UNION TELEPHONE COMPANY 654      
307-749 A Pinedale WY 013B UNION TELEPHONE COMPANY 654      
307-759 A Lusk WY 013B UNION TELEPHONE COMPANY 654      
307-779 A Wheatland WY 013B UNION TELEPHONE COMPANY 654      
307-780 A Mountain View WY 013B UNION TELEPHONE COMPANY 654      
307-790 A Sundance WY 013B UNION TELEPHONE COMPANY 654      
307-798 A Rock River WY 013B UNION TELEPHONE COMPANY 654      
307-799 A Evanston WY 013B UNION TELEPHONE COMPANY 654      
307-850 A Riverton WY 013B UNION TELEPHONE COMPANY 654      
307-858 A Riverton WY 013B UNION TELEPHONE COMPANY 654      
307-870 A Green River WY 013B UNION TELEPHONE COMPANY 654      
307-884 A Afton WY 013B UNION TELEPHONE COMPANY 654      
307-890 A Freedom WY 013B UNION TELEPHONE COMPANY 654      
307-977 A Laramie WY 013B UNION TELEPHONE COMPANY 654      

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

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