Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
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El Sauz, TX

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
956-397 A HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568      
956-397 7 HRLNTXHGXFX  508J CENTURYLINK COMMUNICATIONS, LLC 568   2016-07-09   
956-397 8   5562 METROPCS, INC. 568   2026-06-18   
956-397 9   4290 STPCS JOINT VENTURE, LLC 568   2026-07-09   
956-486 A ELSZTXXARS0  2159 VALLEY TEL. COOP., INC. 568      

Last updated: Tue, 16 Jun 2026 00:09:45 UTC

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