Us Postal Service Websites
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Stamps.com - Buy Postage Online, Print USPS Stamps and Shipping Labels
Buy USPS postage online from your PC, easily print postage stamps and shipping labels for all USPS mail classes.
9,181 
$ 1,752,840.00
Postal - Postal Employees - Postal Workers - News - Information
A Web site for postal employees. Features postal news, information, and more.
169,804 $ 73,800.00
Free ZIP code lookup and ZIP code, area code, county, latitude, longitude,...
Accurate and up-to-date ZIP code databases and programs with ZIP code related information such as area code, county, latitude, longitude, MSA, PMSA, FIPS code, time zone, and...
Not Applicable $ 8.95
US Zip Code Database | Zipcodedownload.com
Licensed Zip Code Data - Low Prices with Monthly Updates - Rated #1 Since 2002. Commercial ZIP Code Database Used by Most Fortune 500 Companies. Immediate download.
1,236,126 $ 960.00