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: 345

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-345 A Kirbyville TX BUMTTXTEXXX  965H FRACTEL, LLC 562      
409-345 0 Kirbyville TX   073H TELNYX LLC 562   2021-03-21   
409-345 1 Kirbyville TX   624H ONVOY SPECTRUM, LLC 562   2021-11-26   
409-345 2 Kirbyville TX   903C ONVOY, LLC - TX 562   2020-08-31   
409-345 3 Kirbyville TX   903C ONVOY, LLC - TX 562   2020-08-31   
409-345 4 Kirbyville TX   903C ONVOY, LLC - TX 562   2021-02-15   
409-345 5 Kirbyville TX   903C ONVOY, LLC - TX 562   2021-06-05   
409-345 6 Kirbyville TX   965H FRACTEL, LLC 562   2020-08-15   
409-345 7 Kirbyville TX   624H ONVOY SPECTRUM, LLC 562   2021-07-03   
409-345 8 Kirbyville TX   903C ONVOY, LLC - TX 562   2021-11-25   
409-345 9 Kirbyville TX   624H ONVOY SPECTRUM, LLC 562   2021-11-26   

Last updated: Thu, 29 Jan 2026 14:35:03 UTC

Sponsored by: FiberConX Communications Ltd.

Like this site? We accept donations via PayPal.