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

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
208-708 A Pocatello ID 013B UNION TELEPHONE COMPANY 652      
307-260 A Big Piney WY 013B UNION TELEPHONE COMPANY 654      
307-270 A Cokeville WY 013B UNION TELEPHONE COMPANY 654      
307-280 A Farson WY 013B UNION TELEPHONE COMPANY 654      
307-320 A Rawlins WY 013B UNION TELEPHONE COMPANY 654      
307-329 A Saratoga WY 013B UNION TELEPHONE COMPANY 654      
307-330 A Lander WY 013B UNION TELEPHONE COMPANY 654      
307-339 A Hanna WY 013B UNION TELEPHONE COMPANY 654      
307-345 A Lander WY 013B UNION TELEPHONE COMPANY 654      
307-350 A Rock Springs WY 013B UNION TELEPHONE COMPANY 654      
307-354 A Rock Springs WY 013B UNION TELEPHONE COMPANY 654      
307-360 A Pinedale WY 013B UNION TELEPHONE COMPANY 654      
307-377 A Casper WY 013B UNION TELEPHONE COMPANY 654      
307-380 A Baggs WY 013B UNION TELEPHONE COMPANY 654      
307-390 A Labarge WY 013B UNION TELEPHONE COMPANY 654      
307-450 A Dubois WY 013B UNION TELEPHONE COMPANY 654      
307-477 A Cheyenne WY 013B UNION TELEPHONE COMPANY 654      
307-520 A Medicine Bow WY 013B UNION TELEPHONE COMPANY 654      
307-540 A Jeffrey City WY 013B UNION TELEPHONE COMPANY 654      
307-541 A Moran WY 013B UNION TELEPHONE COMPANY 654      
307-567 A Gillette WY 013B UNION TELEPHONE COMPANY 654      
307-600 A Cokeville WY 013B UNION TELEPHONE COMPANY 654      
307-701 A Cheyenne WY 013B UNION TELEPHONE COMPANY 654      
307-702 A Casper WY 013B UNION TELEPHONE COMPANY 654      
307-703 A Laramie WY 013B UNION TELEPHONE COMPANY 654      
307-704 A Gillette WY 013B UNION TELEPHONE COMPANY 654      
307-705 A Rock Springs WY 013B UNION TELEPHONE COMPANY 654      
307-706 A Sheridan WY 013B UNION TELEPHONE COMPANY 654      
307-707 A Green River WY 013B UNION TELEPHONE COMPANY 654      
307-708 A Evanston WY 013B UNION TELEPHONE COMPANY 654      
307-709 A Riverton WY 013B UNION TELEPHONE COMPANY 654      
307-710 A Rawlins WY 013B UNION TELEPHONE COMPANY 654      
307-712 A Cody WY 013B UNION TELEPHONE COMPANY 654      
307-713 A Jackson WY 013B UNION TELEPHONE COMPANY 654      
307-714 A Lander WY 013B UNION TELEPHONE COMPANY 654      
307-715 A Torrington WY 013B UNION TELEPHONE COMPANY 646      
307-716 A Powell WY 013B UNION TELEPHONE COMPANY 654      
307-717 A Douglas WY 013B UNION TELEPHONE COMPANY 654      
307-718 A Worland WY 013B UNION TELEPHONE COMPANY 654      
307-719 A Buffalo WY 013B UNION TELEPHONE COMPANY 654      
307-720 A Wheatland WY 013B UNION TELEPHONE COMPANY 654      
307-722 A Thermopolis WY 013B UNION TELEPHONE COMPANY 654      
307-723 A Kemmerer WY 013B UNION TELEPHONE COMPANY 654      
307-724 A Casper WY 013B UNION TELEPHONE COMPANY 654      
307-727 A Kemmerer WY 013B UNION TELEPHONE COMPANY 654      
307-728 A Shoshoni WY 013B UNION TELEPHONE COMPANY 654      
307-730 A Jackson WY 013B UNION TELEPHONE COMPANY 654      
307-731 A Lovell WY 013B UNION TELEPHONE COMPANY 654      
307-740 A Jackson WY 013B UNION TELEPHONE COMPANY 654      
307-741 A Glenrock WY 013B UNION TELEPHONE COMPANY 654      
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      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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