Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
206-503 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2017-01-19   
206-504 0 Seattle WA 6529 T-MOBILE USA, INC. 674   2010-12-03   
206-504 4 Seattle WA 6529 T-MOBILE USA, INC. 674   2010-12-03   
206-504 6 Seattle WA 6529 T-MOBILE USA, INC. 674   2010-11-08   
206-504 8 Seattle WA 6529 T-MOBILE USA, INC. 674   2010-11-08   
206-504 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2010-11-08   
206-510 A Seattle WA 5562 METROPCS, INC. 674      
206-510 0 Seattle WA 6529 T-MOBILE USA, INC. 674      
206-510 1 Seattle WA 5562 METROPCS, INC. 674      
206-510 2 Seattle WA 5562 METROPCS, INC. 674      
206-510 3 Seattle WA 5562 METROPCS, INC. 674      
206-510 4 Seattle WA 5562 METROPCS, INC. 674      
206-510 5 Seattle WA 6529 T-MOBILE USA, INC. 674      
206-510 6 Seattle WA 5562 METROPCS, INC. 674      
206-510 7 Seattle WA 5562 METROPCS, INC. 674      
206-510 8 Seattle WA 5562 METROPCS, INC. 674      
206-510 9 Seattle WA 5562 METROPCS, INC. 674      
206-513 4 Seattle WA 6529 T-MOBILE USA, INC. 674   2018-12-13   
206-513 6 Seattle WA 6529 T-MOBILE USA, INC. 674   2018-12-13   
206-513 8 Seattle WA 6529 T-MOBILE USA, INC. 674   2018-12-13   
206-513 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2018-11-22   
206-518 7 Seattle WA 6529 T-MOBILE USA, INC. 674   2007-12-17   
206-518 8 Seattle WA 6529 T-MOBILE USA, INC. 674   2007-12-17   
206-519 0 Seattle WA 5562 METROPCS, INC. 674   2014-08-21   
206-519 1 Seattle WA 5562 METROPCS, INC. 674   2014-08-21   
206-530 A Seattle WA 6529 T-MOBILE USA, INC. 674      
206-530 6 Seattle WA 6529 T-MOBILE USA, INC. 674   2019-03-22   
206-530 7 Seattle WA 6529 T-MOBILE USA, INC. 674   2019-03-22   
206-530 8 Seattle WA 6529 T-MOBILE USA, INC. 674   2019-03-22   
206-530 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2019-03-22   
206-531 6 Seattle WA 5562 METROPCS, INC. 674   2018-06-15   
206-531 8 Seattle WA 5562 METROPCS, INC. 674   2018-06-25   
206-531 9 Seattle WA 5562 METROPCS, INC. 674   2018-06-25   
206-532 A Seattle WA 6529 T-MOBILE USA, INC. 674      
206-532 5 Seattle WA 6529 T-MOBILE USA, INC. 674   2021-09-17   
206-532 6 Seattle WA 6529 T-MOBILE USA, INC. 674   2021-09-17   
206-532 7 Seattle WA 6529 T-MOBILE USA, INC. 674   2021-09-17   
206-532 8 Seattle WA 6529 T-MOBILE USA, INC. 674   2021-08-19   
206-532 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2021-08-19   
206-533 4 Richmond Beach WA 6529 T-MOBILE USA, INC. 674   2007-07-06   
206-535 A Seattle WA 6529 T-MOBILE USA, INC. 674      
206-535 0 Seattle WA 6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 3 Seattle WA 6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 4 Seattle WA 6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 5 Seattle WA 6529 T-MOBILE USA, INC. 674   2011-09-26   
206-535 9 Seattle WA 6529 T-MOBILE USA, INC. 674   2011-09-23   
206-536 4 Seattle WA 6529 T-MOBILE USA, INC. 674   2017-10-13   
206-536 5 Seattle WA 6529 T-MOBILE USA, INC. 674   2017-10-13   
206-536 6 Seattle WA 6529 T-MOBILE USA, INC. 674   2017-10-13   
206-536 7 Seattle WA 6529 T-MOBILE USA, INC. 674   2017-10-13   

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Last updated: Sat, 10 Oct 2026 15:24:20 UTC

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