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: 439

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
253-439 A Tacoma WA KRLDWADWDS1  7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
253-439 0 Tacoma WA TACNWADNCM6  6010 NEW CINGULAR WIRELESS PCS, LLC 674   2005-12-16   
253-439 1 Tacoma WA TACMWAFADS0  9638 QWEST CORPORATION 674   2005-02-28   
253-439 2 Tacoma WA TACMWAFADS0  9638 QWEST CORPORATION 674   2005-02-28   
253-439 3 Tacoma WA TACMWAFADS0  9638 QWEST CORPORATION 674   2005-02-28   
253-439 4 Tacoma WA TACMWAFADS0  9638 QWEST CORPORATION 674   2005-02-28   
253-439 5 Tacoma WA TACMWAFADS0  9638 QWEST CORPORATION 674   2005-02-28   
253-439 6 Tacoma WA KRLDWADWDS1  7274 MCIMETRO ACCESS TRANSMISSION SERVICES LLC - WA 674      
253-439 7 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2005-03-14   
253-439 8 Tacoma WA STTLWAGAAMD  5812 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - WA 674   2006-01-12   
253-439 9 Tacoma WA TACMWAFA2MD  6529 T-MOBILE USA, INC. 674   2005-11-17   

Last updated: Tue, 16 Apr 2024 01:38:01 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.