Prefix Information

The prefix 421 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-421-0000 through 603-421-9999).

Browse Numbers in This Prefix

603-421-0000-0999 603-421-1000-1999 603-421-2000-2999 603-421-3000-3999 603-421-4000-4999 603-421-5000-5999 603-421-6000-6999 603-421-7000-7999 603-421-8000-8999 603-421-9000-9999

Sample Numbers

(603) 421-0000 (603) 421-1234 (603) 421-2000 (603) 421-3333 (603) 421-4444 (603) 421-5555 (603) 421-6000 (603) 421-7777 (603) 421-8888 (603) 421-9999