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: 779 [Rate centres in NPA 779] [Dial plan for NPA 779]

NXX:

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-230 A Joliet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358      
779-230 0 Joliet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-10-12   
779-230 1 Joliet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2017-10-12   
779-230 2 Joliet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2018-08-18   
779-230 3 Joliet IL   073H TELNYX LLC 358   2017-03-17   
779-230 4 Joliet IL   224C ONVOY, LLC 358   2017-06-23   
779-230 5 Joliet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-08-21   
779-230 6 Joliet IL   7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 358   2017-02-03   
779-230 7 Joliet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2017-06-08   
779-230 8 Joliet IL   6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 358   2018-06-26   
779-230 9 Joliet IL   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 358   2016-11-19   

Last updated: Sun, 10 Nov 2019 13:49:34 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.