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.

NPA: 385 [Rate centres in NPA 385] [Dial plan for NPA 385]

NXX: 403

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
385-403 A Farmington UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-403 0 Farmington UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660      
385-403 1 Farmington UT SLKCUTMAX9X  117F BANDWIDTH.COM CLEC, LLC - UT 660      
385-403 2 Farmington UT SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660      
385-403 3 Farmington UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-403 4 Farmington UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-403 5 Farmington UT SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660      
385-403 6 Farmington UT SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660      
385-403 7 Farmington UT SLKCUTMAXHY  624H ONVOY SPECTRUM, LLC 660      
385-403 8 Farmington UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
385-403 9 Farmington UT SLKCUT26DS1  526H PEERLESS NETWORK OF UTAH, LLC - UT 660      

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.