Prefix overview
Phone numbers in prefix 620-450
This page covers the 620-450 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
620-450
RATE CENTER
PRATT
CARRIER
SOUTHWESTERN BELL
KS
Prefix range
The prefix 620-450 includes numbers from 6204500000 to 6204509999.
This range is associated with the PRATT rate center and was originally assigned to SOUTHWESTERN BELL.
Numbers in this prefix
20 numbers