The websitehttp://quickfacts.census.gov/cgi-bin/qfd/lookupis also a nifty resource which is easy to navigate and you don't need an exact address. You can offer just the zip code and find a county or you can do a statewide search and get a listing of every county in that state if...
FREE ZIP Code Finder Other FREE Lookups FREE Radius Search FREE Distance Calc ZIP Code Database - Facts & Stats Data Last Updated: January 1, 2025 ZIP Codes:103 ZIP Codes(68 General, 28 PO Box, 3 Unique, & 4 Multi County)[More Details] ...