Prefix overview
Phone numbers in prefix 319-300
This page covers the 319-300 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
319-300
RATE CENTER
WATERLOO
CARRIER
T-MOBILE USA, INC.
IA
Prefix range
The prefix 319-300 includes numbers from 3193000000 to 3193009999.
This range is associated with the WATERLOO rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers