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: 615 [Rate centres in NPA 615] [Dial plan for NPA 615]

NXX: 433

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
615-433 A Springfield TN BRWDTNDDDMD  8660 WINDSTREAM NUVOX, INC. 470      
615-433 0 Springfield TN BRWDTNDDDMD  8660 WINDSTREAM NUVOX, INC. 470      
615-433 1 Springfield TN NSVLTNMTYNZ  506J TWILIO INTERNATIONAL, INC. 470   2021-05-29   
615-433 2 Springfield TN BRWDTNDDDMD  8660 WINDSTREAM NUVOX, INC. 470      
615-433 3 Springfield TN NSVMTNKH1MD  5562 METROPCS, INC. 470   2011-06-23   
615-433 4 Springfield TN NSVMTNKH1MD  5562 METROPCS, INC. 470   2012-05-24   
615-433 5 Springfield TN NSVLTNMT93Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2015-05-22   
615-433 6 Springfield TN NSVLTNMT93Z  124F BANDWIDTH.COM CLEC, LLC - TN 470   2015-05-22   
615-433 7 Springfield TN BRWDTNDDDMD  8660 WINDSTREAM NUVOX, INC. 470   2009-11-06   
615-433 8 Springfield TN NSVLTNMT83Z  525E ONVOY, LLC - TN 470   2016-02-13   
615-433 9 Springfield TN NSVMTNKH1MD  5562 METROPCS, INC. 470   2021-10-07   

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

Sponsored by: VoIP.ms

Like this site? We accept donations via PayPal.