Prefix Information
The prefix 991 is part of area code 320 serving St. Cloud, Minnesota.
This exchange contains 10,000 possible phone numbers (320-991-0000 through 320-991-9999).
Phone numbers with prefix 991 in area code 320. Location: St. Cloud, Minnesota.
The prefix 991 is part of area code 320 serving St. Cloud, Minnesota.
This exchange contains 10,000 possible phone numbers (320-991-0000 through 320-991-9999).