Prefix Information
The prefix 342 is part of area code 858 serving San Diego, California.
This exchange contains 10,000 possible phone numbers (858-342-0000 through 858-342-9999).
Phone numbers with prefix 342 in area code 858. Location: San Diego, California.
The prefix 342 is part of area code 858 serving San Diego, California.
This exchange contains 10,000 possible phone numbers (858-342-0000 through 858-342-9999).