Prefix Information
The prefix 621 is part of area code 747 serving Los Angeles, California.
This exchange contains 10,000 possible phone numbers (747-621-0000 through 747-621-9999).
Phone numbers with prefix 621 in area code 747. Location: Los Angeles, California.
The prefix 621 is part of area code 747 serving Los Angeles, California.
This exchange contains 10,000 possible phone numbers (747-621-0000 through 747-621-9999).