Prefix Information

The prefix 403 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-403-0000 through 603-403-9999).

Browse Numbers in This Prefix

603-403-0000-0999 603-403-1000-1999 603-403-2000-2999 603-403-3000-3999 603-403-4000-4999 603-403-5000-5999 603-403-6000-6999 603-403-7000-7999 603-403-8000-8999 603-403-9000-9999

Sample Numbers

(603) 403-0000 (603) 403-1234 (603) 403-2000 (603) 403-3333 (603) 403-4444 (603) 403-5555 (603) 403-6000 (603) 403-7777 (603) 403-8888 (603) 403-9999