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: 319

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-319 A Tacoma WA TACMWAFANMD  006F BANDWIDTH.COM CLEC, LLC - WA 674      
253-319 0 Tacoma WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2020-04-25   
253-319 1 Tacoma WA   159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2020-06-20   
253-319 2 Tacoma WA   006F BANDWIDTH.COM CLEC, LLC - WA 674   2020-08-06   
253-319 3 Tacoma WA   483E ONVOY, LLC - WA 674   2020-09-10   
253-319 4 Tacoma WA   483E ONVOY, LLC - WA 674   2020-08-07   
253-319 5 Tacoma WA   483E ONVOY, LLC - WA 674   2020-09-10   
253-319 6 Tacoma WA   483E ONVOY, LLC - WA 674   2020-08-07   
253-319 7 Tacoma WA   197D VONAGE AMERICA LLC 674   2020-09-15   
253-319 8 Tacoma WA   318J COMCAST IP PHONE, LLC 674   2020-09-07   
253-319 9 Tacoma WA   197D VONAGE AMERICA LLC 674   2020-09-15   

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

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.