Prefix Information

The prefix 421 is part of area code 416 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (416-421-0000 through 416-421-9999).

Browse Numbers in This Prefix

416-421-0000-0999 416-421-1000-1999 416-421-2000-2999 416-421-3000-3999 416-421-4000-4999 416-421-5000-5999 416-421-6000-6999 416-421-7000-7999 416-421-8000-8999 416-421-9000-9999

Sample Numbers

(416) 421-0000 (416) 421-1234 (416) 421-2000 (416) 421-3333 (416) 421-4444 (416) 421-5555 (416) 421-6000 (416) 421-7777 (416) 421-8888 (416) 421-9999