Prefix Information

The prefix 388 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-388-0000 through 240-388-9999).

Browse Numbers in This Prefix

240-388-0000-0999 240-388-1000-1999 240-388-2000-2999 240-388-3000-3999 240-388-4000-4999 240-388-5000-5999 240-388-6000-6999 240-388-7000-7999 240-388-8000-8999 240-388-9000-9999

Sample Numbers

(240) 388-0000 (240) 388-1234 (240) 388-2000 (240) 388-3333 (240) 388-4444 (240) 388-5555 (240) 388-6000 (240) 388-7777 (240) 388-8888 (240) 388-9999