Prefix overview
Phone numbers in prefix 330-356
This page covers the 330-356 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
330-356
RATE CENTER
ALLIANCE
CARRIER
T-MOBILE USA, INC.
OH
Prefix range
The prefix 330-356 includes numbers from 3303560000 to 3303569999.
This range is associated with the ALLIANCE rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers