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: 251

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
779-251 A Dixon IL DIXNILXAEMD  508J CENTURYLINK COMMUNICATIONS, LLC 364      
779-251 0 Dixon IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
779-251 1 Dixon IL DKLBILRS0MD  6115 LEVEL 3 COMMUNICATIONS, LLC - IL 364      
779-251 2 Dixon IL DKLBILRSPMD  5562 METROPCS, INC. 364      
779-251 3 Dixon IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
779-251 5 Dixon IL DKLBILXAX8X  318J COMCAST IP PHONE, LLC 364      
779-251 6 Dixon IL DKLBILXAPMD  7136 TELEPORT COMMUNICATIONS AMERICA, LLC - IL 364      
779-251 7 Dixon IL DIXNILXAEMD  508J CENTURYLINK COMMUNICATIONS, LLC 364      
779-251 8 Dixon IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      
779-251 9 Dixon IL DKLBILXAXBX  6333 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - IL 364      

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

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.