Prefix Information

The prefix 100 is part of area code 421 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (421-100-0000 through 421-100-9999).

Browse Numbers in This Prefix

421-100-0000-0999 421-100-1000-1999 421-100-2000-2999 421-100-3000-3999 421-100-4000-4999 421-100-5000-5999 421-100-6000-6999 421-100-7000-7999 421-100-8000-8999 421-100-9000-9999

Sample Numbers

(421) 100-0000 (421) 100-1234 (421) 100-2000 (421) 100-3333 (421) 100-4444 (421) 100-5555 (421) 100-6000 (421) 100-7777 (421) 100-8888 (421) 100-9999