Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 435 [Rate centres in NPA 435] [Dial plan for NPA 435]

NXX: 231

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-231 A Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-231 0 Enterprise (Washington) UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2005-01-24   
435-231 1 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-231 2 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      
435-231 3 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2005-10-14   
435-231 4 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2006-09-13   
435-231 5 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660   2017-12-03   
435-231 6 Enterprise (Washington) UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-27   
435-231 7 Enterprise (Washington) UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2016-12-01   
435-231 8 Enterprise (Washington) UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-27   
435-231 9 Enterprise (Washington) UT SLKDUTBTAMD  6571 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - UT 660      

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

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