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: CHYNWYMAX9X

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
307-226 9 Afton WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-228 6 Gillette WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-264 7 Jackson WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-289 6 Cheyenne WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-294 A Big Piney WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-294 6 Big Piney WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-300 6 Powell WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-314 6 Laramie WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-323 6 Pinedale WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-364 9 Green River WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-370 6 Rawlins WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-373 6 Greybull WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-388 7 Worland WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-429 6 Sheridan WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-441 6 Casper WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-448 9 Rock Springs WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-458 6 Casper WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-481 9 Lusk WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-578 9 Cody WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-621 6 Buffalo WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-624 8 Douglas WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-800 5 Kemmerer WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-823 A Cheyenne WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-823 6 Cheyenne WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-829 3 Cheyenne WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-855 3 Riverton WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      
307-881 9 Wheatland WY 879G TELEPORT COMMUNICATIONS AMERICA WY-LLC 654      

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

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