Prefix overview
Phone numbers in prefix 774-448
This page covers the 774-448 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
774-448
RATE CENTER
MILFORD
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
MA
Prefix range
The prefix 774-448 includes numbers from 7744480000 to 7744489999.
This range is associated with the MILFORD rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers