Prefix Information

The prefix 540 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-540-0000 through 240-540-9999).

Browse Numbers in This Prefix

240-540-0000-0999 240-540-1000-1999 240-540-2000-2999 240-540-3000-3999 240-540-4000-4999 240-540-5000-5999 240-540-6000-6999 240-540-7000-7999 240-540-8000-8999 240-540-9000-9999

Sample Numbers

(240) 540-0000 (240) 540-1234 (240) 540-2000 (240) 540-3333 (240) 540-4444 (240) 540-5555 (240) 540-6000 (240) 540-7777 (240) 540-8888 (240) 540-9999