Prefix overview
Phone numbers in prefix 274-203
This page covers the 274-203 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
274-203
RATE CENTER
ALGOMA
CARRIER
T-MOBILE USA, INC.
WI
Prefix range
The prefix 274-203 includes numbers from 2742030000 to 2742039999.
This range is associated with the ALGOMA rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers