Prefix Information

The prefix 123 is part of area code 550 serving Unknown, Unknown.

This exchange contains 10,000 possible phone numbers (550-123-0000 through 550-123-9999).

Browse Numbers in This Prefix

550-123-0000-0999 550-123-1000-1999 550-123-2000-2999 550-123-3000-3999 550-123-4000-4999 550-123-5000-5999 550-123-6000-6999 550-123-7000-7999 550-123-8000-8999 550-123-9000-9999

Sample Numbers

(550) 123-0000 (550) 123-1234 (550) 123-2000 (550) 123-3333 (550) 123-4444 (550) 123-5555 (550) 123-6000 (550) 123-7777 (550) 123-8888 (550) 123-9999