Prefix overview
Phone numbers in prefix 320-338
This page covers the 320-338 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
320-338
RATE CENTER
GRANITEFLS
CARRIER
LEVEL 3 COMMUNICATIONS, LLC - MN
MN
Prefix range
The prefix 320-338 includes numbers from 3203380000 to 3203389999.
This range is associated with the GRANITEFLS rate center and was originally assigned to LEVEL 3 COMMUNICATIONS, LLC - MN.
Numbers in this prefix
20 numbers