Prefix Information

The prefix 100 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-100-0000 through 240-100-9999).

Browse Numbers in This Prefix

240-100-0000-0999 240-100-1000-1999 240-100-2000-2999 240-100-3000-3999 240-100-4000-4999 240-100-5000-5999 240-100-6000-6999 240-100-7000-7999 240-100-8000-8999 240-100-9000-9999

Sample Numbers

(240) 100-0000 (240) 100-1234 (240) 100-2000 (240) 100-3333 (240) 100-4444 (240) 100-5555 (240) 100-6000 (240) 100-7777 (240) 100-8888 (240) 100-9999