Prefix Information

The prefix 123 is part of area code 857 serving Boston, Massachusetts.

This exchange contains 10,000 possible phone numbers (857-123-0000 through 857-123-9999).

Browse Numbers in This Prefix

857-123-0000-0999 857-123-1000-1999 857-123-2000-2999 857-123-3000-3999 857-123-4000-4999 857-123-5000-5999 857-123-6000-6999 857-123-7000-7999 857-123-8000-8999 857-123-9000-9999

Sample Numbers

(857) 123-0000 (857) 123-1234 (857) 123-2000 (857) 123-3333 (857) 123-4444 (857) 123-5555 (857) 123-6000 (857) 123-7777 (857) 123-8888 (857) 123-9999