Prefix overview
Phone numbers in prefix 364-221
This page covers the 364-221 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
364-221
RATE CENTER
COLUMBUS
CARRIER
ONVOY SPECTRUM, LLC
KY
Prefix range
The prefix 364-221 includes numbers from 3642210000 to 3642219999.
This range is associated with the COLUMBUS rate center and was originally assigned to ONVOY SPECTRUM, LLC.
Numbers in this prefix
20 numbers