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: 645

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-645 A Brewster WA WNTCWAXXX3X  483E ONVOY, LLC - WA 676      
509-645 0 Brewster WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-15   
509-645 1 Brewster WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-15   
509-645 2 Brewster WA   483E ONVOY, LLC - WA 676   2022-01-01   
509-645 3 Brewster WA   483E ONVOY, LLC - WA 676      
509-645 4 Brewster WA   483E ONVOY, LLC - WA 676   2023-05-22   
509-645 5 Brewster WA   483E ONVOY, LLC - WA 676   2021-05-07   
509-645 6 Brewster WA   7146 TELEPORT COMMUNICATIONS AMERICA, LLC - WA 676   2015-08-10   
509-645 7 Brewster WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-15   
509-645 8 Brewster WA   6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-15   

Last updated: Tue, 13 Jan 2026 21:50:02 UTC

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