Position	Website	Change	Thumbnail
1	unitedstateszipcodes.org - Free ZIP code map, zip code lookup, and shipping comparisons United States Zip Codes provides a free zip code map and list of zip codes by state. Find zip codes by address, zip codes by city, or zip codes by sta...	0
2	city-data.com - Stats about all US cities - real estate, relocation info, house prices, home value estimator, recent... Stats about all US cities - real estate, relocation info, house prices, home value estimator, recent sales, maps, race, income, photos, education, cri...	3
3	mapsofworld.com - World Map, Map of the World This useful resource provides all the maps of the world, continents and countries, latest news maps and information on sport events and world maps alo...	1
4	50states.com - 50states.com - States and Capitals State information resource links to state homepage, symbols, flags, maps, constitutions, representitives, songs, birds, flowers, trees	-1
5	federalgovernmentzipcodes.us - Free Zipcode Database | Free Zip Code Database | federalgovernmentzipcodes.us An updated, free lisitng of US zip codes	1
6	en.wikipedia.org - Wikipedia, the free encyclopedia	1
7	zipcodesdirectory.com - USPS Zip Codes by State This is a comprehensive list of US Zip Codes. Our Excel experts have ensured that, by selecting a state, you can then see a complete database of zip c...	3
8	zip-codes.com - Zip Code Database Lists ZIP Code Database list & Demographics - ZIP Codes by City with Boundary Data - Free ZIP Code Finder - or Download the Data - Maps, Zip Codes, Area...	-6
9	geonames.org - GeoNames	39
10	zipcodestogo.com - ZIP Code Software - Complete List of American Zip Codes - 5-Digit ZIP Code Database Downloads Zip code software list of all American zip codes in the USA. Download the latest zip code database files and zip code program.	0
11	zipwise.com - ZIP Code Downloads, Lookups, and Maps Free online searches and ZIP code database downloads, with zip codes and latitude and longitude for performing distance calculations. Includes full do...	19
12	usa.youbianku.com - United States ZIP Code There are more than 43,000 postcodes of United States in this website, including Admin Area, Admin Code, Place , Postcode, Latitude and Longitude etc....	24
13	gis.stackexchange.com - GIS - Stack Exchange	-1
14	answers.yahoo.com - Yahoo! Answers - Home Yahoo! Answers is a new way to find and share information. You can ask questions on any topic, get answers from real people, and share your insights a...	-5
15	usps.com - USPS - The United States Postal Service (U.S. Postal Service) Get shipping rates, buy stamps, print postage, track a package, look up a ZIP Code? - Find the mailing products and services you need at USPS.com.	0

I have no idea. Please, refresh tomorrow ;)

Site	Traffic	Engagement
census.gov	22.6%	6.8x
zip-codes.com	18.7%	0.2x
aggdata.com	12.1%	0.2x
wikipedia.org	8.3%	0x
mattcutts.com	8%	0x
Other	30.3%	0x

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