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.

NPA: 253 [Rate centres in NPA 253] [Dial plan for NPA 253]

NXX: 317

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-317 A Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674      
253-317 0 Tacoma WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-10   
253-317 1 Tacoma WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2020-04-10   
253-317 2 Tacoma WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2020-12-02   
253-317 3 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2020-12-13   
253-317 4 Tacoma WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2020-04-02   
253-317 5 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2020-12-13   
253-317 6 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2021-02-09   
253-317 7 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2021-02-09   
253-317 8 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2021-02-09   
253-317 9 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2020-03-12   

Last updated: Fri, 22 Mar 2024 03:02:44 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.