Prefix Information

The prefix 623 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-623-0000 through 603-623-9999).

Browse Numbers in This Prefix

603-623-0000-0999 603-623-1000-1999 603-623-2000-2999 603-623-3000-3999 603-623-4000-4999 603-623-5000-5999 603-623-6000-6999 603-623-7000-7999 603-623-8000-8999 603-623-9000-9999

Sample Numbers

(603) 623-0000 (603) 623-1234 (603) 623-2000 (603) 623-3333 (603) 623-4444 (603) 623-5555 (603) 623-6000 (603) 623-7777 (603) 623-8888 (603) 623-9999