Local Calling Guide

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NPA: 509 [Rate centres in NPA 509] [Dial plan for NPA 509]

NXX: 510

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-510 A Othello WA RYCYWAXA0MD  3229 COMPUTERS 5*, INC. DBA LOCALTEL - WA 676      
509-510 0 Othello WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-07-07   
509-510 1 Othello WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2023-09-08   
509-510 2 Othello WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2024-08-08   
509-510 3 Othello WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-06-27   
509-510 4 Othello WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-06-27   
509-510 5 Othello WA RYCYWAXA0MD  3229 COMPUTERS 5*, INC. DBA LOCALTEL - WA 676   2020-10-08   
509-510 6 Othello WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2023-06-30   
509-510 7 Othello WA SPKNWA01XXX  483E ONVOY, LLC - WA 676   2021-11-13   
509-510 8 Othello WA SPKNWA01XUX  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 676   2021-05-16   
509-510 9 Othello WA MLWDWAAA2MD  6010 NEW CINGULAR WIRELESS PCS, LLC 676   2022-07-29   

Last updated: Wed, 18 Jun 2025 02:30:00 UTC

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