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.

Glendale, TX

<< 1 2 3 4 5 6

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
817-709 A DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-709 0 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2011-07-25   
817-709 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-19   
817-709 2 DLLSTXJFDS0  7229 MCIMETRO ACCESS TRANSMISSION SERVICES LLC 552      
817-709 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-15   
817-709 4 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-15   
817-709 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-15   
817-709 6 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-01-15   
817-709 7 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-709 8 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-709 9 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-727 A DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-727 0 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 2 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 4 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552      
817-727 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 6 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 7 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2003-12-09   
817-727 8 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2005-01-21   
817-727 9 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2005-07-04   
817-880 A DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-880 0 DLLSTXTLDS8  7148 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 552      
817-880 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-02-06   
817-880 2 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-03-02   
817-880 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-10-03   
817-880 4 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-10-03   
817-880 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2004-10-03   
817-880 6 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2010-06-07   
817-880 7 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2009-09-05   
817-880 8 DLLSTXALDS4  903C ONVOY, LLC - TX 552   2004-04-04   
817-880 9 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2012-02-27   
817-932 A ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552      
817-932 0 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-932 1 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-11-01   
817-932 2 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-932 3 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-932 4 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-932 5 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2006-02-09   
817-932 6 DLLFTXFQDS1  7516 LEVEL 3 OF TELECOM OF TEXAS, LLC - TX 552   2006-04-06   
817-932 7 DLLATX37DS6  6114 LEVEL 3 COMMUNICATIONS, LLC - TX 552   2006-06-04   
817-932 8 ELSSTXAEGT6  6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2019-11-01   
817-932 9   145J TERRA NOVA TELECOM INC. 552   2024-12-03   
817-981 A   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 0   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 1   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 2   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 3   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 4   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 5   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 6   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 7   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 8   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   
817-981 9   6534 NEW CINGULAR WIRELESS PCS, LLC - IL 552   2025-12-20   

<< 1 2 3 4 5 6

Last updated: Sun, 07 Dec 2025 22:02:11 UTC

Sponsored by: Callcentric - VoIP Internet phone service

Like this site? We accept donations via PayPal.