Prefix overview
Phone numbers in prefix 475-300
This page covers the 475-300 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
475-300
RATE CENTER
NEW HAVEN
CARRIER
VONAGE AMERICA LLC
CT
Prefix range
The prefix 475-300 includes numbers from 4753000000 to 4753009999.
This range is associated with the NEW HAVEN rate center and was originally assigned to VONAGE AMERICA LLC.
Numbers in this prefix
20 numbers