Local Calling Guide

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Search area code/prefix (NPA/NXX)
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NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 420

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-420 A Auburn WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-01-10   
253-420 7 Auburn WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-01-10   
253-420 8 Auburn WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-01-10   
253-420 9 Auburn WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-01-10   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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