Postal code zip lookup in United States of America (USA) - EEUU - Missouri - Kansas-city

There are more than 40,000 postal codes in the United States. To find the postal code for a specific address, example EEUU - Missouri - Kansas-city select the state from the list below. From there, you'll have access to a list of cities and a state zip code map. Another option is to use the "My ZIP Code" tool, which will identify your postal code based on your current location.

State Prefixes for US Postal Codes EEUU - Missouri - Kansas-city

Each state in the United States has specific starting numbers for its postal codes. For instance, in Florida, ZIP codes begin with 32, 33, or 34.

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Definitions of Status

• PRIMARY: Refers to the main name of the city, typically its official designation. Although the city might have an ACCEPTABLE alternative name, the primary name remains the official one.
• ACCEPTABLE: Indicates a suitable alternative city name. Commonly abbreviated city names are often listed as unacceptable because abbreviations are not considered an acceptable city name format.
• IMPROPER/NOT ACCEPTABLE: Denotes that an inappropriate city name was entered or received based on the provided information.
• UNIQUE: Assigned to a business, government agency, or entity with a significant mail volume. This designation depends on the average daily volume of letter-sized mail received, the availability of ZIP code numbers in the postal area, and a cost-benefit analysis by the postal service.

The ZIP Code System in the United States - Código postal

Postal codes, known as ZIP codes, are used by the United States Postal Service (USPS) since 1963. "ZIP" stands for "Zone Improvement Plan," a term chosen to suggest that mail travels more efficiently and, therefore, faster when senders include the ZIP code in the address. The basic format consists of five numeric digits. An extended ZIP+4 code, introduced in 1983, includes the five-digit ZIP code, a hyphen, and four additional digits that specify a more precise location within a given ZIP code.

Understanding the Structure of ZIP Codes

The Five-Digit Code: The initial five digits of the ZIP code identify a specific area:

• The first digit represents a group of U.S. states.
• The second and third digits designate a region within the group.
• The fourth and fifth digits pinpoint a specific post office or delivery area.

ZIP+4 Extended Code: Introduced to improve accuracy and efficiency, this extended code includes:

• The original five-digit ZIP code.
• A hyphen.
• Four additional digits that designate a more specific location, such as a city block, building, or company department.

Why ZIP Codes Matter in the United States

ZIP codes are crucial for efficient mail delivery and are used extensively in demographic research, marketing, and logistics. They help:

• Streamline mail sorting and delivery.
• Provide insights into population data.
• Optimize route planning for delivery services.

Finding ZIP Codes by State

To discover the postal code for a particular area in the United States, follow these steps:

• Select the state of interest from the list.
• Access the city list and the postal code map.
• Alternatively, use the "My ZIP Code" tool to find your postal code based on your current location.

FAQs on Postal Code ZIP EEUU United States of America

What is the purpose of the ZIP+4 code?

The ZIP+4 code provides more precise information, helping the USPS deliver mail more efficiently by specifying a particular location within a ZIP code.

How do I find a ZIP code for a specific address in the United States?

You can find a ZIP code by selecting the relevant state from the list or by using the USPS ZIP code lookup tool available online.

Why do ZIP codes in Florida start with 32, 33, or 34?

Each state is assigned specific starting digits for its ZIP codes. In Florida, postal codes start with these numbers to designate the region.

Can I use a single ZIP code for an entire city?

Some large cities have multiple ZIP codes to facilitate efficient mail delivery. However, smaller towns might have a single ZIP code.

How do ZIP codes relate to demographic research and marketing?

ZIP codes help businesses and researchers analyze population trends, target marketing campaigns, and streamline logistics by providing region-specific data.

By understanding the importance of postal code ZIPs in the United States, you can better navigate the mailing system and make informed decisions based on demographic and regional data.

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