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: 830 [Rate centres in NPA 830] [Dial plan for NPA 830]

NXX: 407

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
830-407 A Uvalde TX SNANTX78GT0  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566      
830-407 0 Uvalde TX   903C ONVOY, LLC - TX 566   2015-05-11   
830-407 1 Uvalde TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 566   2020-08-17   
830-407 2 Uvalde TX   903C ONVOY, LLC - TX 566   2021-01-29   
830-407 3 Uvalde TX   903C ONVOY, LLC - TX 566   2021-01-29   
830-407 4 Uvalde TX   5562 METROPCS, INC. 566   2015-11-09   
830-407 5 Uvalde TX   583C TIME WARNER CBLE INFO SVC (TX) DBA TIME WARNER CBL 566   2017-06-14   
830-407 6 Uvalde TX   073H TELNYX LLC 566   2017-03-22   
830-407 7 Uvalde TX   508J CENTURYLINK COMMUNICATIONS LLC 566   2016-11-23   
830-407 8 Uvalde TX   903C ONVOY, LLC - TX 566   2016-02-01   
830-407 9 Uvalde TX   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 566   2015-03-26   

Last updated: Fri, 01 Jul 2022 02:53:40 UTC

Sponsored by: Execulink Telecom

Like this site? We accept donations via PayPal.