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.
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Switch: SANGTXXAPS1

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
325-255 9 Christoval TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-347 3 Mason TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-392 6 Ozona TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-396 9 Menard TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-465 9 Carlsbad TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-473 0 Bronte TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-473 8 Bronte TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-648 7 Goldthwaite TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-653 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-739 3 Zephyr TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-752 8 Bangs TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-792 2 Brady TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-812 A San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      
325-812 0 San Angelo TX 4344 FRONTIER SOUTHWEST INC DBA FRONTIER COMM OF TEXAS 961      

Last updated: Thu, 16 Jul 2026 02:21:55 UTC

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