Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

Switch: TACMWALEDS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
253-531 A Tacoma WA 9638 QWEST CORPORATION 674      
253-535 A Tacoma WA 9638 QWEST CORPORATION 674      
253-536 A Tacoma WA 9638 QWEST CORPORATION 674      
253-537 A Tacoma WA 9638 QWEST CORPORATION 674      
253-538 A Tacoma WA 9638 QWEST CORPORATION 674      
253-539 A Tacoma WA 9638 QWEST CORPORATION 674      
253-548 A Tacoma WA 9638 QWEST CORPORATION 674      
253-548 0 Tacoma WA 9638 QWEST CORPORATION 674      
253-548 1 Tacoma WA 9638 QWEST CORPORATION 674      
253-548 2 Tacoma WA 9638 QWEST CORPORATION 674      
253-548 3 Tacoma WA 9638 QWEST CORPORATION 674      
253-548 8 Tacoma WA 9638 QWEST CORPORATION 674      
253-548 9 Tacoma WA 9638 QWEST CORPORATION 674      

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

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