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: 832J E. FIBER SAN JUAN, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
435-269 0 Bluff UT BLNGUT070MD  660   2022-01-26   
435-270 A Blanding UT BLNGUT070MD  660      
435-270 4 Blanding UT BLNGUT070MD  660   2022-01-24   
435-280 0 Mexican Hat UT BLNGUT070MD  660   2022-01-26   
435-298 A Monticello UT MNTIUT140MD  660      
435-298 8 Monticello UT MNTIUT140MD  660   2022-01-15   
435-344 0 La Sal UT BLNGUT070MD  660   2022-01-26   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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