Prefix Information
The prefix 257 is part of area code 417 serving Springfield, Missouri.
This exchange contains 10,000 possible phone numbers (417-257-0000 through 417-257-9999).
Phone numbers with prefix 257 in area code 417. Location: Springfield, Missouri.
The prefix 257 is part of area code 417 serving Springfield, Missouri.
This exchange contains 10,000 possible phone numbers (417-257-0000 through 417-257-9999).