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ZIP code mapping is a method of analyzing data in relation to ZIP codes. It is usually used in comparison analysis and territory definition. As the most granular boundary dataset, it allows a more exact analysis of business data.

Zip codes are always 5 characters, hence you would need a CHAR datatype, rather than VARCHAR. The first takes 5 bytes per zip code. The second takes only 3 bytes per zip code. The ZEROFILL option is necessary for zip codes with leading zeros.

How to Use the Assessment to Analyze ZIP Code Data Select an Area to Assess at the ZIP code level. Select Indicators. Generate the Assessment and Show ZIP code Data. Download ZIP code Data. Learn More About ZIP codes, ZCTAs, and Calculations.

US ZIP code (U.S. postal code) allow both the five-digit and nine-digit (called ZIP + 4) formats. E.g. a valid postal code should match 12345 and 12345-6789, but not 1234, 123456, 123456789, or 1234-56789. ^ # Assert position at the beginning of the string. 0-9{5} # Match a digit, exactly five times.

The first digit in a ZIP code represents a defined group of U.S. states. The second and third digits represent a region in that group, such as a large city. To send mail, only the first five digits of the ZIP code are required.

Stores want your ZIP code because, combined with your name from your credit card, they can use it to find out other information about you from commercial databases, like your full mailing address. They may even sell the information to data brokers, who sell it to other marketers.

Description. U.S. ZIP Code Areas - Three-Digit provides ZIP Code (three-digit), population, and area for the three-digit ZIP Code areas in the United States. U.S. ZIP Code Areas - Three-Digit represents the first three digits of a ZIP Code.