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.

Farley MCA3, MO

NPA-NXX BLOCK Switch OCN LATA LIR Eff date Disc date
816-330 A KSCYMO23DS0  9533 SOUTHWESTERN BELL 524      
816-330 0 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2011-08-15   
816-330 1 KSCZMOVRAMD  5562 METROPCS, INC. 524   2015-06-25   
816-330 2 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2019-09-13   
816-330 3 KSCYMO23DS0  9533 SOUTHWESTERN BELL 524      
816-330 5   6701 AERIAL COMMUNICATIONS, INC. 524   2017-01-18   
816-330 6 KSCYMO55DSG  225F PEERLESS NETWORK OF MISSOURI, LLC - MO 524   2014-05-04   
816-330 7 KSCYMO55XXX  093F ONVOY, LLC - MO 524   2023-09-23   
816-330 8 KSCYMO55XYY  624H ONVOY SPECTRUM, LLC 524   2024-03-31   
816-330 9 KSCZMOVRAMD  5562 METROPCS, INC. 524   2022-05-23   

Last updated: Thu, 20 Nov 2025 13:34:34 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.