Prefix Information
The prefix 543 is part of area code 727 serving St. Petersburg, Florida.
This exchange contains 10,000 possible phone numbers (727-543-0000 through 727-543-9999).
Phone numbers with prefix 543 in area code 727. Location: St. Petersburg, Florida.
The prefix 543 is part of area code 727 serving St. Petersburg, Florida.
This exchange contains 10,000 possible phone numbers (727-543-0000 through 727-543-9999).