Prefix Information
The prefix 340 is part of area code 559 serving Fresno, California.
This exchange contains 10,000 possible phone numbers (559-340-0000 through 559-340-9999).
Phone numbers with prefix 340 in area code 559. Location: Fresno, California.
The prefix 340 is part of area code 559 serving Fresno, California.
This exchange contains 10,000 possible phone numbers (559-340-0000 through 559-340-9999).