Prefix Information

The prefix 203 is part of area code 603 serving Manchester, New Hampshire.

This exchange contains 10,000 possible phone numbers (603-203-0000 through 603-203-9999).

Browse Numbers in This Prefix

603-203-0000-0999 603-203-1000-1999 603-203-2000-2999 603-203-3000-3999 603-203-4000-4999 603-203-5000-5999 603-203-6000-6999 603-203-7000-7999 603-203-8000-8999 603-203-9000-9999

Sample Numbers

(603) 203-0000 (603) 203-1234 (603) 203-2000 (603) 203-3333 (603) 203-4444 (603) 203-5555 (603) 203-6000 (603) 203-7777 (603) 203-8888 (603) 203-9999