Prefix overview
Phone numbers in prefix 512-203
This page covers the 512-203 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
512-203
RATE CENTER
AUSTIN
CARRIER
T-MOBILE USA, INC.
TX
Prefix range
The prefix 512-203 includes numbers from 5122030000 to 5122039999.
This range is associated with the AUSTIN rate center and was originally assigned to T-MOBILE USA, INC..
Numbers in this prefix
20 numbers