Prefix Information

The prefix 623 is part of area code 311 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (311-623-0000 through 311-623-9999).

Browse Numbers in This Prefix

311-623-0000-0999 311-623-1000-1999 311-623-2000-2999 311-623-3000-3999 311-623-4000-4999 311-623-5000-5999 311-623-6000-6999 311-623-7000-7999 311-623-8000-8999 311-623-9000-9999

Sample Numbers

(311) 623-0000 (311) 623-1234 (311) 623-2000 (311) 623-3333 (311) 623-4444 (311) 623-5555 (311) 623-6000 (311) 623-7777 (311) 623-8888 (311) 623-9999