Prefix overview
Phone numbers in prefix 337-321
This page covers the 337-321 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
337-321
RATE CENTER
NEW IBERIA
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - GA
LA
Prefix range
The prefix 337-321 includes numbers from 3373210000 to 3373219999.
This range is associated with the NEW IBERIA rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - GA.
Numbers in this prefix
20 numbers