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: PTLVTXXAGMD

NPA-NXX BLOCK Rate Centre Region OCN LATA LIR Eff date Disc date
361-250 A Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-250 0 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2009-04-12   
361-250 8 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2024-08-02   
361-250 9 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2024-08-02   
361-403 A Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-404 A Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-404 0 Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2004-09-23   
361-404 1 Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2008-12-17   
361-404 2 Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2013-07-12   
361-404 8 Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2023-06-10   
361-404 9 Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564   2015-03-05   
361-553 9 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 A Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 0 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 1 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 2 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 3 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 4 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 8 Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-920 A Port Lavaca TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      

Last updated: Thu, 16 Oct 2025 03:04:18 UTC

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