Prefix Information
The prefix 257 is part of area code 347 serving Brooklyn, New York.
This exchange contains 10,000 possible phone numbers (347-257-0000 through 347-257-9999).
Phone numbers with prefix 257 in area code 347. Location: Brooklyn, New York.
The prefix 257 is part of area code 347 serving Brooklyn, New York.
This exchange contains 10,000 possible phone numbers (347-257-0000 through 347-257-9999).