Understanding ZIP Codes and Geocoding

Between 1940 and 1960, mail volume in the U.S. doubled due to automated mailings. The ZIP code system was introduced in 1963 to streamline mail sorting, using a five-digit code. By 1969, 83% of Americans used ZIP codes, but the system had limitations. In 1983, a four-digit suffix was added for more specificity. Geocoding offers a more precise addressing system, already used in Britain. Systems like What3words simplify geocodes for human use. The future may see ZIP codes evolve with geocoding, enhancing delivery without requiring new learning.

What was a major reason for the doubling of mail in the United States between 1940 and 1960?

• Use of computers for automated mailings

• Expansion of postal routes

• Introduction of email

• Increase in population

What was the purpose of the Zone Improvement Plan introduced in 1963?

• To reduce postal worker employment

• To introduce digital mail services

• To divide the country into ten regions for better mail sorting

• To increase postal service charges

How did the government promote the new ZIP code system?

• Through a national holiday

• By offering discounts on postage

• With a cartoon character and a song

• By mandating its use in schools

By 1969, what percentage of Americans were using ZIP codes?

• 95%

• 83%

• 50%

• 100%

What was added to ZIP codes in 1983 to improve delivery accuracy?

• A two-digit prefix

• A four-digit suffix

• A color-coded system

• An alphanumeric code

What is a key advantage of geocoded ZIP codes?

• They are easier to remember

• They provide unique permanent addresses for every point on Earth

• They eliminate the need for postal workers

• They reduce the cost of mailing

Which country has already geocoded their postal system?

• Britain

• India

• Australia

• Canada

What is the Natural Area Code (NAC) used for?

• Assigning postal workers to specific routes

• Converting latitudes and longitudes into alphanumeric tags

• Designing new postal stamps

• Creating digital maps for navigation

What is the unique feature of the What3Words system?

• It uses a combination of numbers and letters

• It is based on historical postal routes

• It assigns a unique string of three words to each location

• It is only used in urban areas

Why might ZIP codes evolve in ways we won't notice?

• Due to a lack of government funding

• Because they will become obsolete

• Due to the integration of geocoding into existing systems

• Because they will be replaced by email