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Postal Zip Code Database United States Product Comparisons



Postal Zip Code Database

Postal zip codes are available by state, city, and county. the United States Postal Service uses Postal zip codes or more commonly known as zip codes to suggest that the mail travels more efficiently, and therefore more quickly, when senders use the code in the postal address. The basic format consists of five decimalnumerical digits. An extended ZIP+4 code, introduced in the 1980s, includes the five digits of the ZIP code, a hyphen, and four more digits that determine a more precise location than the ZIP code alone.

The Postal zip code is often translated into a barcode called Postnet that is printed on the mailpiece to make it easier for automated machines to sort. Unlike most barcode symbologies, Postnet uses long and short bars, not thin and thick bars.

The zipcodedownload.com US 5 digit zip code database will give you a listing of all the zip codes in the United States.

  • All 42,000+ ZIP Codes
  • City
  • Alternate Cities/Spellings
  • County
  • County FIPS
  • State
  • State FIPS
  • MSA Code
  • MSA Code Descriptions (contained in separate file)
  • Primary & Alternate Area Codes
  • Time Zone
  • UTC Shift
  • Daylight Savings Flag
  • Latitude
  • Longitude

View Complete Schema >>

Zip Code Overview

The 5-digit Premium Edition includes a complete list of US ZIP Codes, the default city for each ZIP Code, alternate cities and spellings, states, the primary ZIP Code area code, and individually certified latitude & longitude coordinates. 

The ZIP Code files are available in the following formats: Microsoft Excel 97 (or later), Microsoft Access 97 & 2000 (or later), comma-separated values, fixed-width format, and tab-delimited format. All formats are included with your purchase, and they can be imported into most databases and spreadsheets.

*Federal Information Processing Standard Codes

**Metropolitan Statistical Area Codes

Available for Immediate Download 

When you order online from ZIP Code Download there's no need to wait for the mail. You'll receive the 5-digit ZIP Code Database, Premium Edition immediately. Our products are available for download only, which allows us to keep our prices low and pass the savings on to you. The data will be available in your account for 30 days after your purchase (unless you purchase an annual subscription). They can be downloaded on any computer with internet access.