Prefix overview
Phone numbers in prefix 475-328
This page covers the 475-328 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
475-328
RATE CENTER
DARIEN
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT
CT
Prefix range
The prefix 475-328 includes numbers from 4753280000 to 4753289999.
This range is associated with the DARIEN rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC - CT.
Numbers in this prefix
20 numbers