Prefix Information

The prefix 421 is part of area code 346 serving Houston, Texas.

This exchange contains 10,000 possible phone numbers (346-421-0000 through 346-421-9999).

Browse Numbers in This Prefix

346-421-0000-0999 346-421-1000-1999 346-421-2000-2999 346-421-3000-3999 346-421-4000-4999 346-421-5000-5999 346-421-6000-6999 346-421-7000-7999 346-421-8000-8999 346-421-9000-9999

Sample Numbers

(346) 421-0000 (346) 421-1234 (346) 421-2000 (346) 421-3333 (346) 421-4444 (346) 421-5555 (346) 421-6000 (346) 421-7777 (346) 421-8888 (346) 421-9999