Prefix Information

The prefix 840 is part of area code 940 serving Denton, Texas.

This exchange contains 10,000 possible phone numbers (940-840-0000 through 940-840-9999).

Browse Numbers in This Prefix

940-840-0000-0999 940-840-1000-1999 940-840-2000-2999 940-840-3000-3999 940-840-4000-4999 940-840-5000-5999 940-840-6000-6999 940-840-7000-7999 940-840-8000-8999 940-840-9000-9999

Sample Numbers

(940) 840-0000 (940) 840-1234 (940) 840-2000 (940) 840-3333 (940) 840-4444 (940) 840-5555 (940) 840-6000 (940) 840-7777 (940) 840-8888 (940) 840-9999