Prefix overview
Phone numbers in prefix 408-220
This page covers the 408-220 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
408-220
RATE CENTER
SUNNYVALE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
CA
Prefix range
The prefix 408-220 includes numbers from 4082200000 to 4082209999.
This range is associated with the SUNNYVALE rate center and was originally assigned to MCIMETRO ACCESS TRANSMISSION SERVICES LLC.
Numbers in this prefix
20 numbers