Prefix overview
Phone numbers in prefix 337-443
This page covers the 337-443 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
337-443
RATE CENTER
LAFAYETTE
CARRIER
NUSO, LLC
LA
Prefix range
The prefix 337-443 includes numbers from 3374430000 to 3374439999.
This range is associated with the LAFAYETTE rate center and was originally assigned to NUSO, LLC.
Numbers in this prefix
20 numbers