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: 743

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-743 A Spokane WA CLMAWAXAAMD  732J NUSO, LLC 676      
509-743 0 Spokane WA   073H TELNYX LLC 676   2023-03-16   
509-743 1 Spokane WA   732J NUSO, LLC 676   2023-02-09   
509-743 2 Spokane WA   624H ONVOY SPECTRUM, LLC 676   2022-11-21   
509-743 3 Spokane WA   624H ONVOY SPECTRUM, LLC 676   2022-11-21   
509-743 4 Spokane WA   624H ONVOY SPECTRUM, LLC 676   2022-11-21   
509-743 5 Spokane WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-12-07   
509-743 6 Spokane WA   6529 T-MOBILE USA, INC. 676   2022-11-20   
509-743 7 Spokane WA   732J NUSO, LLC 676   2024-06-24   
509-743 8 Spokane WA   5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 676   2023-07-26   
509-743 9 Spokane WA   6529 T-MOBILE USA, INC. 676   2022-11-20   

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

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