Prefix Information

The prefix 400 is part of area code 563 serving Davenport, Iowa.

This exchange contains 10,000 possible phone numbers (563-400-0000 through 563-400-9999).

Browse Numbers in This Prefix

563-400-0000-0999 563-400-1000-1999 563-400-2000-2999 563-400-3000-3999 563-400-4000-4999 563-400-5000-5999 563-400-6000-6999 563-400-7000-7999 563-400-8000-8999 563-400-9000-9999

Sample Numbers

(563) 400-0000 (563) 400-1234 (563) 400-2000 (563) 400-3333 (563) 400-4444 (563) 400-5555 (563) 400-6000 (563) 400-7777 (563) 400-8888 (563) 400-9999