Prefix Information

The prefix 203 is part of area code 210 serving San Antonio, Texas.

This exchange contains 10,000 possible phone numbers (210-203-0000 through 210-203-9999).

Browse Numbers in This Prefix

210-203-0000-0999 210-203-1000-1999 210-203-2000-2999 210-203-3000-3999 210-203-4000-4999 210-203-5000-5999 210-203-6000-6999 210-203-7000-7999 210-203-8000-8999 210-203-9000-9999

Sample Numbers

(210) 203-0000 (210) 203-1234 (210) 203-2000 (210) 203-3333 (210) 203-4444 (210) 203-5555 (210) 203-6000 (210) 203-7777 (210) 203-8888 (210) 203-9999