Prefix Information
The prefix 504 is part of area code 808 serving Honolulu, Hawaii.
This exchange contains 10,000 possible phone numbers (808-504-0000 through 808-504-9999).
Phone numbers with prefix 504 in area code 808. Location: Honolulu, Hawaii.
The prefix 504 is part of area code 808 serving Honolulu, Hawaii.
This exchange contains 10,000 possible phone numbers (808-504-0000 through 808-504-9999).