Prefix overview
Phone numbers in prefix 605-438
This page covers the 605-438 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
605-438
RATE CENTER
MILBANK
CARRIER
INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC.
SD
Prefix range
The prefix 605-438 includes numbers from 6054380000 to 6054389999.
This range is associated with the MILBANK rate center and was originally assigned to INTERSTATE TELECOMMUNICATIONS COOPERATIVE, INC..
Numbers in this prefix
20 numbers