Prefix Information

The prefix 378 is part of area code 641 serving Mason City, Iowa.

This exchange contains 10,000 possible phone numbers (641-378-0000 through 641-378-9999).

Browse Numbers in This Prefix

641-378-0000-0999 641-378-1000-1999 641-378-2000-2999 641-378-3000-3999 641-378-4000-4999 641-378-5000-5999 641-378-6000-6999 641-378-7000-7999 641-378-8000-8999 641-378-9000-9999

Sample Numbers

(641) 378-0000 (641) 378-1234 (641) 378-2000 (641) 378-3333 (641) 378-4444 (641) 378-5555 (641) 378-6000 (641) 378-7777 (641) 378-8888 (641) 378-9999