Prefix Information

The prefix 123 is part of area code 311 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (311-123-0000 through 311-123-9999).

Browse Numbers in This Prefix

311-123-0000-0999 311-123-1000-1999 311-123-2000-2999 311-123-3000-3999 311-123-4000-4999 311-123-5000-5999 311-123-6000-6999 311-123-7000-7999 311-123-8000-8999 311-123-9000-9999

Sample Numbers

(311) 123-0000 (311) 123-1234 (311) 123-2000 (311) 123-3333 (311) 123-4444 (311) 123-5555 (311) 123-6000 (311) 123-7777 (311) 123-8888 (311) 123-9999