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: SNANTXCAHMD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
830-697 1 Medina Lake TX 073H TELNYX LLC 566   2018-09-25   
830-715 2 Lacoste TX 073H TELNYX LLC 566   2019-11-23   
830-716 2 Somerset TX 073H TELNYX LLC 566   2019-09-27   
830-746 8 Pearsall TX 073H TELNYX LLC 566   2018-09-25   
830-754 9 Asherton TX 073H TELNYX LLC 566   2018-09-25   
830-779 8 Lavernia TX 073H TELNYX LLC 566   2018-10-22   
830-825 1 Round Mountain TX 073H TELNYX LLC 566   2019-09-27   
830-850 8 Bandera TX 073H TELNYX LLC 566   2017-03-22   
830-851 5 Devine TX 073H TELNYX LLC 566   2018-10-22   
830-867 1 Brackettville TX 073H TELNYX LLC 566   2018-12-08   
830-879 9 Cotulla TX 073H TELNYX LLC 566   2018-09-25   
830-953 4 Granite Shoals TX 073H TELNYX LLC 566   2019-09-27   
830-971 8 Eagle Pass TX 073H TELNYX LLC 566   2017-03-22   
830-992 4 Fredericksburg TX 073H TELNYX LLC 566   2017-03-22   
956-539 8 Laredo TX 073H TELNYX LLC 566   2019-01-07   
956-815 3 Laredo TX 073H TELNYX LLC 566   2017-03-22   
956-948 8 Encinal TX 073H TELNYX LLC 566   2018-08-29   

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Last updated: Thu, 05 Feb 2026 23:41:55 UTC

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