Prefix Information

The prefix 840 is part of area code 442 serving Oceanside, California.

This exchange contains 10,000 possible phone numbers (442-840-0000 through 442-840-9999).

Browse Numbers in This Prefix

442-840-0000-0999 442-840-1000-1999 442-840-2000-2999 442-840-3000-3999 442-840-4000-4999 442-840-5000-5999 442-840-6000-6999 442-840-7000-7999 442-840-8000-8999 442-840-9000-9999

Sample Numbers

(442) 840-0000 (442) 840-1234 (442) 840-2000 (442) 840-3333 (442) 840-4444 (442) 840-5555 (442) 840-6000 (442) 840-7777 (442) 840-8888 (442) 840-9999