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: 791

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-791 A Grandview WA SPKNWADZBMD  490J BOOST SUBSCRIBERCO L.L.C. 676      
509-791 0 Grandview WA SPKNWADZBMD  490J BOOST SUBSCRIBERCO L.L.C. 676   2023-09-11   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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