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: 423 [Rate centres in NPA 423] [Dial plan for NPA 423]

NXX: 913

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
423-913 A Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 0 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 1 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 2 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 3 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 4 Jonesboro TN JHCYTNXCXHY  318J COMCAST IP PHONE, LLC 956      
423-913 5 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 7 Jonesboro TN   829J PAETEC ITEL, LLC 956      
423-913 8 Jonesboro TN JNBOTNXARP0  4510 UNITED TELEPHONE-SOUTHEAST-TN DBA CENTURYLINK - TN 956      
423-913 9 Jonesboro TN JHCYTNXCXPY  624H ONVOY SPECTRUM, LLC 956      

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

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.