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: 903 [Rate centres in NPA 903] [Dial plan for NPA 903]

NXX: 545

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
903-545 A Oakwood TX OKWDTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
903-545 0 Oakwood TX OKWDTXXARP0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
903-545 1 Oakwood TX OKWDTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
903-545 2 Oakwood TX OKWDTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      
903-545 7 Oakwood TX FTWQTXFH0MD  508J CENTURYLINK COMMUNICATIONS, LLC 552      
903-545 9 Oakwood TX OKWDTXXARS0  1181 VALOR TELECOMM TX, LD-TX #2 DBA WINDSTREAM COMM SW 552      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.