Prefix Information

The prefix 203 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-203-0000 through 240-203-9999).

Browse Numbers in This Prefix

240-203-0000-0999 240-203-1000-1999 240-203-2000-2999 240-203-3000-3999 240-203-4000-4999 240-203-5000-5999 240-203-6000-6999 240-203-7000-7999 240-203-8000-8999 240-203-9000-9999

Sample Numbers

(240) 203-0000 (240) 203-1234 (240) 203-2000 (240) 203-3333 (240) 203-4444 (240) 203-5555 (240) 203-6000 (240) 203-7777 (240) 203-8888 (240) 203-9999