Prefix Information

The prefix 421 is part of area code 808 serving Honolulu, Hawaii.

This exchange contains 10,000 possible phone numbers (808-421-0000 through 808-421-9999).

Browse Numbers in This Prefix

808-421-0000-0999 808-421-1000-1999 808-421-2000-2999 808-421-3000-3999 808-421-4000-4999 808-421-5000-5999 808-421-6000-6999 808-421-7000-7999 808-421-8000-8999 808-421-9000-9999

Sample Numbers

(808) 421-0000 (808) 421-1234 (808) 421-2000 (808) 421-3333 (808) 421-4444 (808) 421-5555 (808) 421-6000 (808) 421-7777 (808) 421-8888 (808) 421-9999