Prefix overview
Phone numbers in prefix 320-389
This page covers the 320-389 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
320-389
RATE CENTER
BUFFALO LK
CARRIER
MCC TELEPHONY LLC
MN
Prefix range
The prefix 320-389 includes numbers from 3203890000 to 3203899999.
This range is associated with the BUFFALO LK rate center and was originally assigned to MCC TELEPHONY LLC.
Numbers in this prefix
20 numbers