Local Calling Guide

Area code/prefix search

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

NXX: 430

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-430 A Gig Harbor WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-11-01   
253-430 0 Gig Harbor WA   145J TERRA NOVA TELECOM INC. 674   2025-11-03   
253-430 9 Gig Harbor WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2025-11-01   

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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