Prefix overview
Phone numbers in prefix 423-421
This page covers the 423-421 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
423-421
RATE CENTER
CHATTNOOGA
CARRIER
METROPCS, INC.
TN
Prefix range
The prefix 423-421 includes numbers from 4234210000 to 4234219999.
This range is associated with the CHATTNOOGA rate center and was originally assigned to METROPCS, INC..
Numbers in this prefix
20 numbers