Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 594

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-594 A Yakima WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676      
509-594 0 Yakima WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2004-04-11   
509-594 1 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-07-04   
509-594 2 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-07-04   
509-594 3 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-12-13   
509-594 4 Yakima WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2002-07-01   
509-594 5 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-04-20   
509-594 6 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-04-20   
509-594 7 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-04-20   
509-594 8 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-04-15   
509-594 9 Yakima WA   6529 T-MOBILE USA, INC. 676   2004-03-25   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

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