Prefix Information

The prefix 999 is part of area code 641 serving Mason City, Iowa.

This exchange contains 10,000 possible phone numbers (641-999-0000 through 641-999-9999).

Browse Numbers in This Prefix

641-999-0000-0999 641-999-1000-1999 641-999-2000-2999 641-999-3000-3999 641-999-4000-4999 641-999-5000-5999 641-999-6000-6999 641-999-7000-7999 641-999-8000-8999 641-999-9000-9999

Sample Numbers

(641) 999-0000 (641) 999-1234 (641) 999-2000 (641) 999-3333 (641) 999-4444 (641) 999-5555 (641) 999-6000 (641) 999-7777 (641) 999-8888 (641) 999-9999