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: 470

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-470 A Sumner WA STTLWA03X7X  829J PAETEC ITEL, LLC 674      
253-470 0 Sumner WA STTLWA03X7X  829J PAETEC ITEL, LLC 674      
253-470 1 Sumner WA STTLWAWBDS1  483E ONVOY, LLC - WA 674   2006-12-16   
253-470 2 Sumner WA STTLWAWBDSH  159F PEERLESS NETWORK OF WASHINGTON, LLC - WA 674   2018-11-04   
253-470 3 Sumner WA STTLWA03X1X  318J COMCAST IP PHONE, LLC 674   2018-09-22   
253-470 4 Sumner WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-07-22   
253-470 5 Sumner WA STTLWA03X7X  829J PAETEC ITEL, LLC 674   2004-01-24   
253-470 6 Sumner WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-21   
253-470 7 Sumner WA STTLWA06DSE  7455 LEVEL 3 TELECOM OF WASHINGTON, LLC - WA 674   2009-04-29   
253-470 8 Sumner WA STTLWAWBX7Z  006F BANDWIDTH.COM CLEC, LLC - WA 674   2011-07-04   
253-470 9 Sumner WA STTLWA03X7X  829J PAETEC ITEL, LLC 674      

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.