Prefix Information

The prefix 403 is part of area code 210 serving San Antonio, Texas.

This exchange contains 10,000 possible phone numbers (210-403-0000 through 210-403-9999).

Browse Numbers in This Prefix

210-403-0000-0999 210-403-1000-1999 210-403-2000-2999 210-403-3000-3999 210-403-4000-4999 210-403-5000-5999 210-403-6000-6999 210-403-7000-7999 210-403-8000-8999 210-403-9000-9999

Sample Numbers

(210) 403-0000 (210) 403-1234 (210) 403-2000 (210) 403-3333 (210) 403-4444 (210) 403-5555 (210) 403-6000 (210) 403-7777 (210) 403-8888 (210) 403-9999