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: 305

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-305 A Sunnyside WA SNSDWAXXOMD  6529 T-MOBILE USA, INC. 676      
509-305 0 Sunnyside WA   6529 T-MOBILE USA, INC. 676      
509-305 1 Sunnyside WA   6529 T-MOBILE USA, INC. 676      
509-305 2 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2007-07-27   
509-305 3 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2007-07-27   
509-305 4 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2011-04-01   
509-305 5 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2010-10-25   
509-305 6 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2005-11-11   
509-305 7 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2005-04-18   
509-305 8 Sunnyside WA   6529 T-MOBILE USA, INC. 676   2004-05-29   
509-305 9 Sunnyside WA   6529 T-MOBILE USA, INC. 676      

Last updated: Thu, 01 Jan 2026 03:59:49 UTC

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