Prefix Information
The prefix 991 is part of area code 318 serving Shreveport, Louisiana.
This exchange contains 10,000 possible phone numbers (318-991-0000 through 318-991-9999).
Phone numbers with prefix 991 in area code 318. Location: Shreveport, Louisiana.
The prefix 991 is part of area code 318 serving Shreveport, Louisiana.
This exchange contains 10,000 possible phone numbers (318-991-0000 through 318-991-9999).