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: 600

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
409-600 A Beaumont TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562      
409-600 0 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-11-03   
409-600 1 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-06-13   
409-600 2 Beaumont TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2011-04-15   
409-600 3 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-06-13   
409-600 4 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-06-13   
409-600 5 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-06-13   
409-600 6 Beaumont TX BUMTTXATOMD  7138 TELEPORT COMMUNICATIONS AMERICA, LLC - TX 562   2013-10-25   
409-600 7 Beaumont TX BUMTTX14X7Y  6701 AERIAL COMMUNICATIONS, INC. 562   2013-11-03   
409-600 8 Beaumont TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2014-10-03   
409-600 9 Beaumont TX BUMTTXTEX8X  903C ONVOY, LLC - TX 562   2014-10-03   

Last updated: Sun, 26 Jan 2025 15:59:20 UTC

Sponsored by: ISP Telecom

Like this site? We accept donations via PayPal.