Prefix Information

The prefix 378 is part of area code 435 serving St. George, Utah.

This exchange contains 10,000 possible phone numbers (435-378-0000 through 435-378-9999).

Browse Numbers in This Prefix

435-378-0000-0999 435-378-1000-1999 435-378-2000-2999 435-378-3000-3999 435-378-4000-4999 435-378-5000-5999 435-378-6000-6999 435-378-7000-7999 435-378-8000-8999 435-378-9000-9999

Sample Numbers

(435) 378-0000 (435) 378-1234 (435) 378-2000 (435) 378-3333 (435) 378-4444 (435) 378-5555 (435) 378-6000 (435) 378-7777 (435) 378-8888 (435) 378-9999