Prefix Information

The prefix 166 is part of area code 240 serving Germantown, Maryland.

This exchange contains 10,000 possible phone numbers (240-166-0000 through 240-166-9999).

Browse Numbers in This Prefix

240-166-0000-0999 240-166-1000-1999 240-166-2000-2999 240-166-3000-3999 240-166-4000-4999 240-166-5000-5999 240-166-6000-6999 240-166-7000-7999 240-166-8000-8999 240-166-9000-9999

Sample Numbers

(240) 166-0000 (240) 166-1234 (240) 166-2000 (240) 166-3333 (240) 166-4444 (240) 166-5555 (240) 166-6000 (240) 166-7777 (240) 166-8888 (240) 166-9999