Prefix overview
Phone numbers in prefix 321-378
This page covers the 321-378 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
321-378
RATE CENTER
MELBOURNE
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - GA
FL
Prefix range
The prefix 321-378 includes numbers from 3213780000 to 3213789999.
This range is associated with the MELBOURNE rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - GA.
Numbers in this prefix
20 numbers