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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
253-422 4 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-28   
253-422 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-27   
253-422 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-27   
253-422 7 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-27   
253-422 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-27   
253-422 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-07-27   
253-424 A Auburn WA 6529 T-MOBILE USA, INC. 674   2025-08-15   
253-424 2 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 3 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 4 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 7 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-09-14   
253-424 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-08-15   
253-424 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-08-15   
253-429 0 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-10-17   
253-429 1 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-10-17   
253-429 2 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-10-17   
253-429 3 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-10-17   
253-429 4 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-11-19   
253-429 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-11-20   
253-429 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-11-20   
253-429 7 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-11-20   
253-429 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2025-11-20   
253-436 A Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-436 1 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-05   
253-436 2 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-05   
253-436 3 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-05   
253-436 4 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-05   
253-436 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-436 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-436 7 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-436 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-436 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-01-03   
253-443 A Auburn WA 6529 T-MOBILE USA, INC. 674   2026-03-15   
253-443 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2026-03-15   
253-449 6 Des Moines WA 5562 METROPCS, INC. 674   2015-12-18   
253-449 7 Des Moines WA 5562 METROPCS, INC. 674   2015-12-18   
253-455 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2014-11-13   
253-455 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2014-11-13   
253-455 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-04-04   
253-455 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-04-04   
253-457 1 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-10-10   
253-457 4 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-10-10   
253-457 5 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-10-10   
253-457 6 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-10-10   
253-457 7 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-08-27   
253-457 8 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-08-27   
253-457 9 Auburn WA 6529 T-MOBILE USA, INC. 674   2015-08-27   
253-478 0 Kent WA 5562 METROPCS, INC. 674   2015-06-21   

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

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