Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 617

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-617 A Tacoma WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-617 0 Tacoma WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-617 1 Tacoma WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-10-07   
253-617 2 Tacoma WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2006-06-21   
253-617 3 Tacoma WA   483E ONVOY, LLC - WA 674   2005-03-17   
253-617 4 Tacoma WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2005-03-17   
253-617 5 Tacoma WA   6529 T-MOBILE USA, INC. 674   2006-12-14   
253-617 6 Tacoma WA   9638 QWEST CORPORATION 674   2003-11-26   
253-617 7 Tacoma WA   6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2005-02-10   
253-617 8 Tacoma WA   6529 T-MOBILE USA, INC. 674   2006-01-04   
253-617 9 Tacoma WA   6529 T-MOBILE USA, INC. 674   2006-02-03   

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

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