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: 209

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
435-209 A Milford UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660      
435-209 0 Milford UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2005-01-24   
435-209 1 Milford UT   145J TERRA NOVA TELECOM INC. 660   2025-07-10   
435-209 7 Milford UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   
435-209 8 Milford UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2018-12-22   
435-209 9 Milford UT SLKCUTJC4MD  6010 NEW CINGULAR WIRELESS PCS, LLC 660   2016-11-27   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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