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: SNANTXEW0MD

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NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
726-444 A San Antonio TX 829J PAETEC ITEL, LLC 566   2025-01-23   
726-444 4 San Antonio TX 829J PAETEC ITEL, LLC 566   2017-10-27   
726-444 8 San Antonio TX 829J PAETEC ITEL, LLC 566   2017-11-29   
726-444 9 San Antonio TX 829J PAETEC ITEL, LLC 566   2017-11-29   
830-319 7 Eagle Pass TX 829J PAETEC ITEL, LLC 566   2014-09-02   
830-358 5 New Braunfels TX 829J PAETEC ITEL, LLC 566   2010-11-01   
830-549 3 Seguin TX 829J PAETEC ITEL, LLC 566   2011-10-13   
830-733 3 Fredericksburg TX 829J PAETEC ITEL, LLC 566   2018-12-03   
830-743 4 New Braunfels TX 829J PAETEC ITEL, LLC 566   2014-03-28   
956-267 2 Laredo TX 829J PAETEC ITEL, LLC 566   2011-12-30   
956-531 A Laredo TX 829J PAETEC ITEL, LLC 566   2025-01-23   
956-531 5 Laredo TX 829J PAETEC ITEL, LLC 566   2020-06-04   

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Last updated: Tue, 31 Mar 2026 13:56:49 UTC

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