Prefix overview
Phone numbers in prefix 517-291
This page covers the 517-291 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
517-291
RATE CENTER
ADRIAN
CARRIER
STRATUS NETWORKS
MI
Prefix range
The prefix 517-291 includes numbers from 5172910000 to 5172919999.
This range is associated with the ADRIAN rate center and was originally assigned to STRATUS NETWORKS.
Numbers in this prefix
20 numbers