Prefix overview
Phone numbers in prefix 240-391
This page covers the 240-391 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
240-391
RATE CENTER
WSNG236Z13
CARRIER
ONVOY, LLC - MD
MD
Prefix range
The prefix 240-391 includes numbers from 2403910000 to 2403919999.
This range is associated with the WSNG236Z13 rate center and was originally assigned to ONVOY, LLC - MD.
Numbers in this prefix
20 numbers