Prefix Information

The prefix 440 is part of area code 641 serving Mason City, Iowa.

This exchange contains 10,000 possible phone numbers (641-440-0000 through 641-440-9999).

Browse Numbers in This Prefix

641-440-0000-0999 641-440-1000-1999 641-440-2000-2999 641-440-3000-3999 641-440-4000-4999 641-440-5000-5999 641-440-6000-6999 641-440-7000-7999 641-440-8000-8999 641-440-9000-9999

Sample Numbers

(641) 440-0000 (641) 440-1234 (641) 440-2000 (641) 440-3333 (641) 440-4444 (641) 440-5555 (641) 440-6000 (641) 440-7777 (641) 440-8888 (641) 440-9999