Prefix Information

The prefix 840 is part of area code 937 serving Dayton, Ohio.

This exchange contains 10,000 possible phone numbers (937-840-0000 through 937-840-9999).

Browse Numbers in This Prefix

937-840-0000-0999 937-840-1000-1999 937-840-2000-2999 937-840-3000-3999 937-840-4000-4999 937-840-5000-5999 937-840-6000-6999 937-840-7000-7999 937-840-8000-8999 937-840-9000-9999

Sample Numbers

(937) 840-0000 (937) 840-1234 (937) 840-2000 (937) 840-3333 (937) 840-4444 (937) 840-5555 (937) 840-6000 (937) 840-7777 (937) 840-8888 (937) 840-9999