Prefix overview
Phone numbers in prefix 512-221
This page covers the 512-221 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
512-221
RATE CENTER
AUSTIN
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
TX
Prefix range
The prefix 512-221 includes numbers from 5122210000 to 5122219999.
This range is associated with the AUSTIN rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers