Prefix overview
Phone numbers in prefix 512-377
This page covers the 512-377 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
512-377
RATE CENTER
AUSTIN
CARRIER
SOUTHWESTERN BELL
TX
Prefix range
The prefix 512-377 includes numbers from 5123770000 to 5123779999.
This range is associated with the AUSTIN rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers