Prefix Information

The prefix 121 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-121-0000 through 603-121-9999).

Browse Numbers in This Prefix

603-121-0000-0999 603-121-1000-1999 603-121-2000-2999 603-121-3000-3999 603-121-4000-4999 603-121-5000-5999 603-121-6000-6999 603-121-7000-7999 603-121-8000-8999 603-121-9000-9999

Sample Numbers

(603) 121-0000 (603) 121-1234 (603) 121-2000 (603) 121-3333 (603) 121-4444 (603) 121-5555 (603) 121-6000 (603) 121-7777 (603) 121-8888 (603) 121-9999