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: 550

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
509-550 A Newport WA CRALIDCYQ00  6529 T-MOBILE USA, INC. 960   2024-02-09   
509-550 0 Newport WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2017-10-01   
509-550 1 Newport WA CRALIDCYQ00  6529 T-MOBILE USA, INC. 960   2018-10-11   
509-550 2 Newport WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2004-06-25   
509-550 3 Newport WA CRALIDCYQ00  6529 T-MOBILE USA, INC. 960   2022-04-28   
509-550 5 Newport WA CRALIDXXKMD  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 960   2016-02-28   
509-550 7 Newport WA CRALIDXXX7X  483E ONVOY, LLC - WA 960   2007-10-25   
509-550 8 Newport WA CRALIDCYQ00  6529 T-MOBILE USA, INC. 960   2021-02-28   
509-550 9 Newport WA CRALIDCYQ00  6529 T-MOBILE USA, INC. 960      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

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