Prefix Information
The prefix 304 is part of area code 949 serving Irvine, California.
This exchange contains 10,000 possible phone numbers (949-304-0000 through 949-304-9999).
Phone numbers with prefix 304 in area code 949. Location: Irvine, California.
The prefix 304 is part of area code 949 serving Irvine, California.
This exchange contains 10,000 possible phone numbers (949-304-0000 through 949-304-9999).