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      
361-403 A Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-404 A Palacios TX 6534 NEW CINGULAR WIRELESS PCS, LLC - IL 564      
361-746 A 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: Sun, 04 Apr 2021 19:28:27 UTC

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