Prefix Information

The prefix 840 is part of area code 847 serving Elgin, Illinois.

This exchange contains 10,000 possible phone numbers (847-840-0000 through 847-840-9999).

Browse Numbers in This Prefix

847-840-0000-0999 847-840-1000-1999 847-840-2000-2999 847-840-3000-3999 847-840-4000-4999 847-840-5000-5999 847-840-6000-6999 847-840-7000-7999 847-840-8000-8999 847-840-9000-9999

Sample Numbers

(847) 840-0000 (847) 840-1234 (847) 840-2000 (847) 840-3333 (847) 840-4444 (847) 840-5555 (847) 840-6000 (847) 840-7777 (847) 840-8888 (847) 840-9999