The United States Postal Service's ZIP Code Lookup tool is very helpful for finding ZIP codes by city. A user enters the name of the city and state, and then he clicks Find to view a list of all ZIP codes in that city. More » Business & Finance Mail & Shipping

Zip code information can be obtained for free by using a simple tool located on the U.S. Postal Service's official website. This tool is a quick form that asks for only a street address, city and state. After checking th... More » Geography Maps & Cartography

The official website of the U.S. Postal Service has a ZIP code finder that enables individuals to find ZIP codes for a particular town or city. Visitors can type in a particular address, city name and state, after which ... More » Geography United States

The United States Postal Service provides a ZIP code look-up service where users can find ZIP codes for a particular address if they know the street name and city. Private websites with access to public information like ... More » Business & Finance Mail & Shipping

To find Massachusetts ZIP codes, go to the United States Postal Service website and use the "Look Up a ZIP Code" tool on the website. There are about 700 different ZIP codes for the state of Massachusetts listed on the U... More » Business & Finance Mail & Shipping Postal Services

The ZIP codes for downtown Miami include 33128, 33129, 33130 and 33131. Surrounding ZIP codes include Key Biscane at 33149, Northeast Miami at 33132, Northwest Miami at 33125 and Coconut Grove at 33133. More » Business & Finance Mail & Shipping

The U.S. Postal Service determines ZIP codes by geographical areas and population concentrations, not by mileage radius. ZIP code use began on July 1, 1963, after the Post Office Department assigned a five-digit ZIP code... More » Business & Finance Mail & Shipping