Prefix Information

The prefix 378 is part of area code 503 serving Portland, Oregon.

This exchange contains 10,000 possible phone numbers (503-378-0000 through 503-378-9999).

Browse Numbers in This Prefix

503-378-0000-0999 503-378-1000-1999 503-378-2000-2999 503-378-3000-3999 503-378-4000-4999 503-378-5000-5999 503-378-6000-6999 503-378-7000-7999 503-378-8000-8999 503-378-9000-9999

Sample Numbers

(503) 378-0000 (503) 378-1234 (503) 378-2000 (503) 378-3333 (503) 378-4444 (503) 378-5555 (503) 378-6000 (503) 378-7777 (503) 378-8888 (503) 378-9999