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.

OCN: 208K VESTED NETWORKS, LLC

NPA-NXX BLOCK Rate Centre Region Switch LATA LIR Eff date Disc date
346-621 A Houston TX   560   2025-08-29   
346-621 6 Houston TX   560   2025-08-29   
361-613 A Corpus Christi TX   564   2025-05-11   
361-613 3 Corpus Christi TX   564   2025-05-11   
559-951 A Fresno CA   728   2025-05-16   
559-951 5 Fresno CA   728   2025-05-16   
940-949 A Wichita Falls TX   548   2025-05-11   
940-949 9 Wichita Falls TX   548   2025-05-11   
945-954 A Dallas TX DLLSTXALFMD  552   2025-01-31   
945-954 9 Dallas TX DLLSTXALFMD  552   2025-01-31   

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

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