Prefix Information

The prefix 504 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-504-0000 through 240-504-9999).

Browse Numbers in This Prefix

240-504-0000-0999 240-504-1000-1999 240-504-2000-2999 240-504-3000-3999 240-504-4000-4999 240-504-5000-5999 240-504-6000-6999 240-504-7000-7999 240-504-8000-8999 240-504-9000-9999

Sample Numbers

(240) 504-0000 (240) 504-1234 (240) 504-2000 (240) 504-3333 (240) 504-4444 (240) 504-5555 (240) 504-6000 (240) 504-7777 (240) 504-8888 (240) 504-9999