Prefix overview
Phone numbers in prefix 401-228
This page covers the 401-228 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
401-228
RATE CENTER
PROVIDENCE
CARRIER
MCIMETRO ACCESS TRANSMISSION SERVICES LLC
RI
Prefix range
The prefix 401-228 includes numbers from 4012280000 to 4012289999.
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