Prefix overview
Phone numbers in prefix 620-435
This page covers the 620-435 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
620-435
RATE CENTER
ARGONIA
CARRIER
HAVILAND TEL. CO., INC.
KS
Prefix range
The prefix 620-435 includes numbers from 6204350000 to 6204359999.
This range is associated with the ARGONIA rate center and was originally assigned to HAVILAND TEL. CO., INC..
Numbers in this prefix
20 numbers