Prefix Information

The prefix 203 is part of area code 641 serving Mason City, Iowa.

This exchange contains 10,000 possible phone numbers (641-203-0000 through 641-203-9999).

Browse Numbers in This Prefix

641-203-0000-0999 641-203-1000-1999 641-203-2000-2999 641-203-3000-3999 641-203-4000-4999 641-203-5000-5999 641-203-6000-6999 641-203-7000-7999 641-203-8000-8999 641-203-9000-9999

Sample Numbers

(641) 203-0000 (641) 203-1234 (641) 203-2000 (641) 203-3333 (641) 203-4444 (641) 203-5555 (641) 203-6000 (641) 203-7777 (641) 203-8888 (641) 203-9999