Prefix Information

The prefix 123 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-123-0000 through 240-123-9999).

Browse Numbers in This Prefix

240-123-0000-0999 240-123-1000-1999 240-123-2000-2999 240-123-3000-3999 240-123-4000-4999 240-123-5000-5999 240-123-6000-6999 240-123-7000-7999 240-123-8000-8999 240-123-9000-9999

Sample Numbers

(240) 123-0000 (240) 123-1234 (240) 123-2000 (240) 123-3333 (240) 123-4444 (240) 123-5555 (240) 123-6000 (240) 123-7777 (240) 123-8888 (240) 123-9999