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: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 503

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-503 A Heber City UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-503 0 Heber City UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-503 1 Heber City UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-503 2 Heber City UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-503 3 Heber City UT WVCYUT14DS1  871E ONVOY, LLC - UT 660      
435-503 4 Heber City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-503 5 Heber City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-503 6 Heber City UT SLKCUTJCGT1  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-503 7 Heber City UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-503 8 Heber City UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, LLC - UT 660      
435-503 9 Heber City UT SLKDUTYI3MD  3231 LEVEL 3 COMMUNICATIONS, 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.