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: 239 [Rate centres in NPA 239] [Dial plan for NPA 239]

NXX: 579

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
239-579 A Sanibel-Captiva Islands FL FTMYFLXAX9Z  8692 US LEC OF FLORIDA, INC. 93902   2021-01-28   
239-579 0 Sanibel-Captiva Islands FL FTMYFLXAXXZ  318J COMCAST IP PHONE LLC 93902   2005-03-26   
239-579 1 Sanibel-Captiva Islands FL FTMYFLXAX9Z  8692 US LEC OF FLORIDA, INC. 93902      
239-579 2 Sanibel-Captiva Islands FL FTMYFLXAX9Z  8692 US LEC OF FLORIDA, INC. 93902      
239-579 3 Sanibel-Captiva Islands FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93902   2020-03-01   
239-579 4 Sanibel-Captiva Islands FL FTMYFL020MD  902E PEERLESS NETWORK OF FLORIDA, LLC - FL 93902   2019-11-22   
239-579 5 Sanibel-Captiva Islands FL FTMYFLXAX9Z  8692 US LEC OF FLORIDA, INC. 93902      
239-579 6 Sanibel-Captiva Islands FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93902   2016-09-13   
239-579 7 Sanibel-Captiva Islands FL FTMYFLXAXBZ  382G TERRA NOVA TELECOM, INC. - FL 93902   2013-01-22   
239-579 8 Sanibel-Captiva Islands FL FTMYFLXAXFY  4802 LEVEL 3 COMMUNICATIONS, LLC - FL 93902   2006-03-08   
239-579 9 Sanibel-Captiva Islands FL FTMYFLXAXVX  937C ONVOY, LLC - FL 93902   2016-09-13   

Last updated: Tue, 04 May 2021 15:04:27 UTC

Sponsored by: VoiceMeUp - Corporate VoIP Services

Like this site? We accept donations via PayPal.