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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
425-666 A Everett WA STTLWAWB15Z  965H FRACTEL, LLC 674      
425-666 0 Everett WA   318J COMCAST IP PHONE, LLC 674   2020-10-26   
425-666 1 Everett WA   318J COMCAST IP PHONE, LLC 674   2020-10-26   
425-666 2 Everett WA   483E ONVOY, LLC - WA 674   2020-10-11   
425-666 3 Everett WA   483E ONVOY, LLC - WA 674   2020-10-11   
425-666 4 Everett WA   321J HD CARRIER LLC 674   2020-10-08   
425-666 5 Everett WA   321J HD CARRIER LLC 674   2020-10-08   
425-666 6 Everett WA   965H FRACTEL, LLC 674   2020-09-06   
425-666 7 Everett WA   6529 T-MOBILE USA, INC. 674   2020-09-24   
425-666 8 Everett WA   6529 T-MOBILE USA, INC. 674   2020-09-24   
425-666 9 Everett WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2020-09-18   

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

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