Prefix overview
Phone numbers in prefix 517-477
This page covers the 517-477 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
517-477
RATE CENTER
HOLT
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - IL
MI
Prefix range
The prefix 517-477 includes numbers from 5174770000 to 5174779999.
This range is associated with the HOLT rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - IL.
Numbers in this prefix
20 numbers