Prefix overview
Phone numbers in prefix 475-477
This page covers the 475-477 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
475-477
RATE CENTER
STAMFORD
CARRIER
ONVOY, LLC - CT
CT
Prefix range
The prefix 475-477 includes numbers from 4754770000 to 4754779999.
This range is associated with the STAMFORD rate center and was originally assigned to ONVOY, LLC - CT.
Numbers in this prefix
20 numbers