Prefix Information
The prefix 991 is part of area code 601 serving Jackson, Mississippi.
This exchange contains 10,000 possible phone numbers (601-991-0000 through 601-991-9999).
Phone numbers with prefix 991 in area code 601. Location: Jackson, Mississippi.
The prefix 991 is part of area code 601 serving Jackson, Mississippi.
This exchange contains 10,000 possible phone numbers (601-991-0000 through 601-991-9999).