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: 666

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-666 A Tacoma WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674      
253-666 0 Tacoma WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-03-10   
253-666 1 Tacoma WA STTLWAWBDS1  483E ONVOY, LLC - WA 674      
253-666 2 Tacoma WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-10-22   
253-666 3 Tacoma WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2009-11-12   
253-666 4 Tacoma WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-11-20   
253-666 5 Tacoma WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2011-03-10   
253-666 6 Tacoma WA STTNWAHODSC  6121 LEVEL 3 COMMUNICATIONS, LLC - WA 674   2010-12-18   
253-666 7 Tacoma WA TACMWAFANMD  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-21   
253-666 8 Tacoma WA TACMWAFANMD  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-21   
253-666 9 Tacoma WA TACMWAFANMD  006F BANDWIDTH.COM CLEC, LLC - WA 674   2010-11-21   

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

Sponsored by: BeeVox - Whitelabel Reseller Platform

Like this site? We accept donations via PayPal.