Prefix overview
Phone numbers in prefix 442-240
This page covers the 442-240 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
442-240
RATE CENTER
RAMONA
CARRIER
FIVE9, INC.
CA
Prefix range
The prefix 442-240 includes numbers from 4422400000 to 4422409999.
This range is associated with the RAMONA rate center and was originally assigned to FIVE9, INC..
Numbers in this prefix
20 numbers