Prefix overview
Phone numbers in prefix 240-288
This page covers the 240-288 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
240-288
RATE CENTER
THURMONT
CARRIER
COMCAST IP PHONE, LLC
MD
Prefix range
The prefix 240-288 includes numbers from 2402880000 to 2402889999.
This range is associated with the THURMONT rate center and was originally assigned to COMCAST IP PHONE, LLC.
Numbers in this prefix
20 numbers