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.

OCN: 1772 UINTAH BASIN ELECTRONIC TELECOMMUNICATIONS

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
307-252 A Rock Springs WY CHYNWYMAXUX  654   2024-01-16   
307-255 A Evanston WY EVTNWYBHW00  654   2024-01-16   
307-297 A Green River WY EVTNWYBHW00  654   2024-01-16   
435-822 A Duchesne UT BTRGUTQACM1  660      
435-823 A Roosevelt UT BTRGUTQACM1  660   2024-01-18   
435-824 A Neola UT BTRGUTQACM1  660   2024-01-18   
435-828 A Vernal UT BTRGUTQACM1  660   2024-01-18   
970-220 A Rangely CO RNGLCOACAMD  656      
970-321 A Craig CO RNGLCOACAMD  656   2024-01-17   
970-322 A Grand Junction CO RNGLCOACAMD  656   2024-01-17   

Last updated: Sat, 01 Jun 2024 11:59:14 UTC

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