Prefix overview
Phone numbers in prefix 401-383
This page covers the 401-383 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
401-383
RATE CENTER
PROVIDENCE
CARRIER
COMCAST IP PHONE, LLC
RI
Prefix range
The prefix 401-383 includes numbers from 4013830000 to 4013839999.
This range is associated with the PROVIDENCE rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers