Prefix overview
Phone numbers in prefix 313-397
This page covers the 313-397 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
313-397
RATE CENTER
DETROITZN4
CARRIER
COMCAST IP PHONE, LLC
MI
Prefix range
The prefix 313-397 includes numbers from 3133970000 to 3133979999.
This range is associated with the DETROITZN4 rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers