Prefix overview
Phone numbers in prefix 620-355
This page covers the 620-355 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
620-355
RATE CENTER
LAKIN
CARRIER
PIONEER TEL. ASSN., INC.
KS
Prefix range
The prefix 620-355 includes numbers from 6203550000 to 6203559999.
This range is associated with the LAKIN rate center and was originally assigned to PIONEER TEL. ASSN., INC..
Numbers in this prefix
20 numbers