Prefix Information

The prefix 121 is part of area code 442 serving Oceanside, California.

This exchange contains 10,000 possible phone numbers (442-121-0000 through 442-121-9999).

Browse Numbers in This Prefix

442-121-0000-0999 442-121-1000-1999 442-121-2000-2999 442-121-3000-3999 442-121-4000-4999 442-121-5000-5999 442-121-6000-6999 442-121-7000-7999 442-121-8000-8999 442-121-9000-9999

Sample Numbers

(442) 121-0000 (442) 121-1234 (442) 121-2000 (442) 121-3333 (442) 121-4444 (442) 121-5555 (442) 121-6000 (442) 121-7777 (442) 121-8888 (442) 121-9999