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: 240

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-240 A Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674      
253-240 0 Tacoma WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2017-10-01   
253-240 1 Tacoma WA   318J COMCAST IP PHONE, LLC 674   2016-08-01   
253-240 2 Tacoma WA   937F ASTOUND BROADBAND, LLC - WA 674   2017-05-21   
253-240 3 Tacoma WA   7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 674   2016-06-23   
253-240 4 Tacoma WA   483E ONVOY, LLC - WA 674   2017-10-08   
253-240 5 Tacoma WA   6529 T-MOBILE USA, INC. 674   2016-07-10   
253-240 6 Tacoma WA   6529 T-MOBILE USA, INC. 674   2016-07-10   
253-240 7 Tacoma WA   6529 T-MOBILE USA, INC. 674   2016-07-10   
253-240 8 Tacoma WA   6529 T-MOBILE USA, INC. 674   2016-06-02   
253-240 9 Tacoma WA   6529 T-MOBILE USA, INC. 674   2016-06-02   

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

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.