Prefix overview
Phone numbers in prefix 517-357
This page covers the 517-357 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
517-357
RATE CENTER
CAMBRIA
CARRIER
FRONTIER COMMUNICATIONS OF MICHIGAN, INC.
MI
Prefix range
The prefix 517-357 includes numbers from 5173570000 to 5173579999.
This range is associated with the CAMBRIA rate center and was originally assigned to FRONTIER COMMUNICATIONS OF MICHIGAN, INC..
Numbers in this prefix
20 numbers