Prefix overview
Phone numbers in prefix 740-230
This page covers the 740-230 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
740-230
RATE CENTER
PORTSMOUTH
CARRIER
RAM TECHNOLOGIES, INC. - OH
OH
Prefix range
The prefix 740-230 includes numbers from 7402300000 to 7402309999.
This range is associated with the PORTSMOUTH rate center and was originally assigned to RAM TECHNOLOGIES, INC. - OH.
Numbers in this prefix
20 numbers