Prefix overview
Phone numbers in prefix 605-443
This page covers the 605-443 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
605-443
RATE CENTER
SPEARFISH
CARRIER
MIDCONTINENT COMMUNICATIONS. - SD
SD
Prefix range
The prefix 605-443 includes numbers from 6054430000 to 6054439999.
This range is associated with the SPEARFISH rate center and was originally assigned to MIDCONTINENT COMMUNICATIONS. - SD.
Numbers in this prefix
20 numbers