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: 904 [Rate centres in NPA 904] [Dial plan for NPA 904]

NXX: 615

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
904-615 A St Johns FL STAGFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45204      
904-615 0 St Johns FL JCVLFLCL80Z  7472 POWERTEL JACKSONVILLE LICENSES, INC. 45204   2013-11-03   
904-615 1 St Johns FL JCVLFLSMXTY  318J COMCAST IP PHONE, LLC 45204   2014-11-15   
904-615 2 St Johns FL STAGFLMADS0  9417 BELLSOUTH TELECOMM INC DBA SOUTHERN BELL TEL & TEL 45204   2006-04-27   
904-615 3 St Johns FL JCVLFLCL80Z  5562 METROPCS, INC. 45204   2011-06-14   
904-615 4 St Johns FL JCVLFLCL80Z  5562 METROPCS, INC. 45204   2011-07-01   
904-615 5 St Johns FL JCVLFLCL33Z  982E BANDWIDTH.COM CLEC, LLC - FL 45204   2010-10-31   
904-615 6 St Johns FL JCVLFLCL33Z  982E BANDWIDTH.COM CLEC, LLC - FL 45204   2010-10-31   
904-615 7 St Johns FL JCVOFLLJGT0  6214 NEW CINGULAR WIRELESS PCS, LLC - GA 45204   2013-01-24   
904-615 8 St Johns FL JCVLFLCL4MD  937C ONVOY, LLC - FL 45204   2014-11-12   
904-615 9 St Johns FL JCVLFLCL4MD  937C ONVOY, LLC - FL 45204   2014-11-12   

Last updated: Thu, 05 Feb 2026 23:41:55 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.