Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 206 [Rate centres in NPA 206] [Dial plan for NPA 206]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
206-557 A Seattle WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2012-11-23   
206-557 0 Seattle WA   6529 T-MOBILE USA, INC. 674   2013-01-02   
206-557 1 Seattle WA   200F CBEYOND COMMUNICATIONS, LLC - WA 674   2012-11-26   
206-557 2 Seattle WA   6529 T-MOBILE USA, INC. 674   2013-01-02   
206-557 3 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-02-09   
206-557 4 Seattle WA   6060 COMCAST PHONE OF WASHINGTON OREGON, LLC - WA 674   2012-11-26   
206-557 5 Seattle WA   7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674   2013-03-31   
206-557 6 Seattle WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2013-05-03   
206-557 7 Seattle WA   6060 COMCAST PHONE OF WASHINGTON OREGON, LLC - WA 674   2013-04-30   
206-557 8 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2012-11-23   
206-557 9 Seattle WA   6010 NEW CINGULAR WIRELESS PCS, LLC 674   2012-11-23   

Last updated: Wed, 01 Apr 2020 02:09:16 UTC

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