Prefix overview
Phone numbers in prefix 423-489
This page covers the 423-489 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
423-489
RATE CENTER
CUMBERLDGP
CARRIER
NEW CINGULAR WIRELESS PCS, LLC - GA
TN
Prefix range
The prefix 423-489 includes numbers from 4234890000 to 4234899999.
This range is associated with the CUMBERLDGP rate center and was originally assigned to NEW CINGULAR WIRELESS PCS, LLC - GA.
Numbers in this prefix
20 numbers