Prefix Information

The prefix 423 is part of area code 210 serving San Antonio, Texas.

This exchange contains 10,000 possible phone numbers (210-423-0000 through 210-423-9999).

Browse Numbers in This Prefix

210-423-0000-0999 210-423-1000-1999 210-423-2000-2999 210-423-3000-3999 210-423-4000-4999 210-423-5000-5999 210-423-6000-6999 210-423-7000-7999 210-423-8000-8999 210-423-9000-9999

Sample Numbers

(210) 423-0000 (210) 423-1234 (210) 423-2000 (210) 423-3333 (210) 423-4444 (210) 423-5555 (210) 423-6000 (210) 423-7777 (210) 423-8888 (210) 423-9999