Prefix overview
Phone numbers in prefix 401-450
This page covers the 401-450 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
401-450
RATE CENTER
PROVIDENCE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
RI
Prefix range
The prefix 401-450 includes numbers from 4014500000 to 4014509999.
This range is associated with the PROVIDENCE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers