Prefix Information
The prefix 503 is part of area code 607 serving Binghamton, New York.
This exchange contains 10,000 possible phone numbers (607-503-0000 through 607-503-9999).
Phone numbers with prefix 503 in area code 607. Location: Binghamton, New York.
The prefix 503 is part of area code 607 serving Binghamton, New York.
This exchange contains 10,000 possible phone numbers (607-503-0000 through 607-503-9999).