Prefix Information
The prefix 503 is part of area code 225 serving Baton Rouge, Louisiana.
This exchange contains 10,000 possible phone numbers (225-503-0000 through 225-503-9999).
Phone numbers with prefix 503 in area code 225. Location: Baton Rouge, Louisiana.
The prefix 503 is part of area code 225 serving Baton Rouge, Louisiana.
This exchange contains 10,000 possible phone numbers (225-503-0000 through 225-503-9999).