Prefix Information
The prefix 840 is part of area code 323 serving Los Angeles, California.
This exchange contains 10,000 possible phone numbers (323-840-0000 through 323-840-9999).
Phone numbers with prefix 840 in area code 323. Location: Los Angeles, California.
The prefix 840 is part of area code 323 serving Los Angeles, California.
This exchange contains 10,000 possible phone numbers (323-840-0000 through 323-840-9999).