Prefix Information
The prefix 813 is part of area code 956 serving Laredo, Texas.
This exchange contains 10,000 possible phone numbers (956-813-0000 through 956-813-9999).
Phone numbers with prefix 813 in area code 956. Location: Laredo, Texas.
The prefix 813 is part of area code 956 serving Laredo, Texas.
This exchange contains 10,000 possible phone numbers (956-813-0000 through 956-813-9999).