Prefix overview
Phone numbers in prefix 812-400
This page covers the 812-400 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
812-400
RATE CENTER
STANFORD
CARRIER
COMCAST IP PHONE, LLC
IN
Prefix range
The prefix 812-400 includes numbers from 8124000000 to 8124009999.
This range is associated with the STANFORD rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers