Prefix overview
Phone numbers in prefix 816-203
This page covers the 816-203 prefix in the United States. It shows where numbers come from, which carrier is linked to the range, and how this block is structured.
If you are looking for a specific number, you can continue to its dedicated phone page. Otherwise, this page helps you understand the broader number block behind it.
PREFIX
816-203
RATE CENTER
KANSASCITY
CARRIER
ONVOY, LLC - MO
MO
Prefix range
The prefix 816-203 includes numbers from 8162030000 to 8162039999.
This range is associated with the KANSASCITY rate center and was originally assigned to ONVOY, LLC - MO.
Numbers in this prefix
20 numbers