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.

Switch: HRLNTXHGXFX

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
956-347 7 Lyford TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-395 7 Rio Hondo TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-397 A El Sauz TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-397 7 El Sauz TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-422 7 Roma TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-485 7 Sullivan City TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-549 A Stillman TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-549 7 Stillman TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-557 A McCook TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-557 7 McCook TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-582 A San Perlita TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-582 7 San Perlita TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-614 7 Zapata TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-633 7 Santa Rosa TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-653 A Hargill TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-653 7 Hargill TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-660 A Harlingen TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-660 7 Harlingen TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-662 7 McAllen TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-671 A San Isidro TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-671 7 San Isidro TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-773 5 Lasara TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-848 7 Falcon Heights TX 508J CENTURYLINK COMMUNICATIONS, LLC 568      

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

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