Prefix Information

The prefix 123 is part of area code 421 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (421-123-0000 through 421-123-9999).

Browse Numbers in This Prefix

421-123-0000-0999 421-123-1000-1999 421-123-2000-2999 421-123-3000-3999 421-123-4000-4999 421-123-5000-5999 421-123-6000-6999 421-123-7000-7999 421-123-8000-8999 421-123-9000-9999

Sample Numbers

(421) 123-0000 (421) 123-1234 (421) 123-2000 (421) 123-3333 (421) 123-4444 (421) 123-5555 (421) 123-6000 (421) 123-7777 (421) 123-8888 (421) 123-9999