Prefix overview
Phone numbers in prefix 605-401
This page covers the 605-401 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
605-401
RATE CENTER
SIOUX FLS
CARRIER
IP HORIZON LLC
SD
Prefix range
The prefix 605-401 includes numbers from 6054010000 to 6054019999.
This range is associated with the SIOUX FLS rate center and was originally assigned to IP HORIZON LLC.
Numbers in this prefix
20 numbers