Prefix Information
The prefix 257 is part of area code 805 serving Oxnard, California.
This exchange contains 10,000 possible phone numbers (805-257-0000 through 805-257-9999).
Phone numbers with prefix 257 in area code 805. Location: Oxnard, California.
The prefix 257 is part of area code 805 serving Oxnard, California.
This exchange contains 10,000 possible phone numbers (805-257-0000 through 805-257-9999).