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: SLKDUT111MD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
435-202 A Logan UT 013B UNION TELEPHONE COMPANY 660      
435-766 A Vernal UT 013B UNION TELEPHONE COMPANY 660      
435-768 A Duchesne UT 013B UNION TELEPHONE COMPANY 660      
435-778 A Manila UT 013B UNION TELEPHONE COMPANY 654      
435-779 A Garden City UT 013B UNION TELEPHONE COMPANY 660      
435-880 A Dutch John UT 013B UNION TELEPHONE COMPANY 654      
435-948 A Garden City UT 013B UNION TELEPHONE COMPANY 660      

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

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