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.

NPA: 409 [Rate centres in NPA 409] [Dial plan for NPA 409]

NXX: 366

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-366 A Jasper TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 562   2025-05-26   
409-366 0 Jasper TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 562   2025-05-26   
409-366 1 Jasper TX   6506 CELLCO PARTNERSHIP DBA VERIZON WIRELESS - TX 562   2025-05-26   

Last updated: Sun, 27 Apr 2025 12:48:38 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.