Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 425 [Rate centres in NPA 425] [Dial plan for NPA 425]

NXX: 380

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-380 A Kirkland WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674      
425-380 0 Kirkland WA   073H TELNYX LLC 674   2022-06-10   
425-380 1 Kirkland WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2022-11-26   
425-380 2 Kirkland WA   483E ONVOY, LLC - WA 674   2022-09-26   
425-380 3 Kirkland WA   483E ONVOY, LLC - WA 674   2022-09-26   
425-380 4 Kirkland WA   483E ONVOY, LLC - WA 674   2022-10-26   
425-380 5 Kirkland WA   483E ONVOY, LLC - WA 674   2022-10-26   
425-380 6 Kirkland WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2022-11-26   
425-380 7 Kirkland WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2022-11-25   
425-380 8 Kirkland WA   483E ONVOY, LLC - WA 674   2022-10-26   
425-380 9 Kirkland WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2022-05-27   

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

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