Prefix overview
Phone numbers in prefix 620-335
This page covers the 620-335 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
620-335
RATE CENTER
INGALLS
CARRIER
UNITED TEL. ASSN., INC.
KS
Prefix range
The prefix 620-335 includes numbers from 6203350000 to 6203359999.
This range is associated with the INGALLS rate center and was originally assigned to UNITED TEL. ASSN., INC..
Numbers in this prefix
20 numbers