Prefix Information
The prefix 343 is part of area code 443 serving Baltimore, Maryland.
This exchange contains 10,000 possible phone numbers (443-343-0000 through 443-343-9999).
Phone numbers with prefix 343 in area code 443. Location: Baltimore, Maryland.
The prefix 343 is part of area code 443 serving Baltimore, Maryland.
This exchange contains 10,000 possible phone numbers (443-343-0000 through 443-343-9999).