Prefix Information

The prefix 343 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-343-0000 through 603-343-9999).

Browse Numbers in This Prefix

603-343-0000-0999 603-343-1000-1999 603-343-2000-2999 603-343-3000-3999 603-343-4000-4999 603-343-5000-5999 603-343-6000-6999 603-343-7000-7999 603-343-8000-8999 603-343-9000-9999

Sample Numbers

(603) 343-0000 (603) 343-1234 (603) 343-2000 (603) 343-3333 (603) 343-4444 (603) 343-5555 (603) 343-6000 (603) 343-7777 (603) 343-8888 (603) 343-9999