Prefix overview
Phone numbers in prefix 337-472
This page covers the 337-472 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
337-472
RATE CENTER
MAMOU
CARRIER
ONVOY, LLC - LA
LA
Prefix range
The prefix 337-472 includes numbers from 3374720000 to 3374729999.
This range is associated with the MAMOU rate center and was originally assigned to ONVOY, LLC - LA.
Numbers in this prefix
20 numbers