Prefix Information

The prefix 256 is part of area code 421 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (421-256-0000 through 421-256-9999).

Browse Numbers in This Prefix

421-256-0000-0999 421-256-1000-1999 421-256-2000-2999 421-256-3000-3999 421-256-4000-4999 421-256-5000-5999 421-256-6000-6999 421-256-7000-7999 421-256-8000-8999 421-256-9000-9999

Sample Numbers

(421) 256-0000 (421) 256-1234 (421) 256-2000 (421) 256-3333 (421) 256-4444 (421) 256-5555 (421) 256-6000 (421) 256-7777 (421) 256-8888 (421) 256-9999