Prefix overview
Phone numbers in prefix 240-275
This page covers the 240-275 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
240-275
RATE CENTER
GRANTSVL
CARRIER
CORE COMMUNICATIONS, INC.- MD
MD
Prefix range
The prefix 240-275 includes numbers from 2402750000 to 2402759999.
This range is associated with the GRANTSVL rate center and was originally assigned to CORE COMMUNICATIONS, INC.- MD.
Numbers in this prefix
20 numbers