
For businesses and individuals, getting the street address line 1 right is crucial for delivery and navigation purposes.
The street address line 1 should include the street name and any relevant numbers or identifiers, such as suite or apartment numbers.
In the United States, the street address line 1 is usually the most important line for mail delivery and navigation, and it's often the first thing people look at when trying to find a location.
A typical street address line 1 might look like "123 Main St" or "456 Elm St Apt 3".
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What Is Addressing?
Addressing is a crucial part of ensuring mail and packages reach their intended recipients. It involves providing the necessary information for last-mile delivery.
The primary information needed for addressing is typically found in the first line of an address, known as Address Line 1. This line includes the street number, street name, and any relevant apartment or unit number.
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In an address format, Address Line 1 helps identify the specific location or building where mail or packages should be delivered. It's essential for accurate last-mile delivery.
For example, in the address "123 Main Street, apt 4B San Diego CA, 91911", "123 Main Street, apt 4B" would be considered Address Line 1.
Components of Street Address
The street name is the second part of the first line in an address.
A building number is typically included in Address Line 1, unless you live in a single-family home or a property with one building number, in which case you won't have an apartment number.
The street suffix is the third component of Address Line 1 and indicates the type of street where the recipient's building or house is located.
It's essential to include the street suffix in Address Line 1 because it helps to identify the correct type of street where the recipient's building or house is located.
The street suffix can be an abbreviation or a full word that indicates whether the street is a road, avenue, boulevard, or any other type of street.
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Autocomplete and Validation Solutions

Autocomplete and validation solutions can help fix address line 1 problems by automatically checking an address input against authoritative databases like the USPS or other countries' national postal databases.
Some address correction software includes an address autocomplete feature that will predict addresses as they're entered into online forms, but not all of these features check if suggested addresses are valid.
Google's Address Validation API will suggest incomplete/non-existing addresses, whereas Smarty's address verification tool will only auto-suggest standardized addresses.
Address validation software parses the address into component parts, standardizes the formatting, and validates the address against an authoritative database, including the building number, street/PO Box, street name suffix, and apartment/suite numbers.
Without address validation software, human and database errors can cause your addresses to be incomplete, inaccurate, or undeliverable.
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Writing Street Addresses
Writing a street address can be a bit tricky, but don't worry, I'm here to help. The street name is a crucial part of Address Line 1, and it should be written in full, using the full street name.

The United States Postal Service (USPS) lists street suffixes like "Boulevard" and "Avenue", and they also provide commonly accepted abbreviations, so you don't have to worry about using the three-letter post office standards.
A good example of a well-written street address is: 657 Shadow Brook Lane, Suite 204. Notice how the street name is written in full, and the street suffix is abbreviated.
Here are some key things to keep in mind when writing your street address:
- Separate each component of the address by a comma.
- Include the apartment number, if relevant, after the street address and separated by a comma.
- The apartment or suite number should be on the first line.
- Use the full street name and abbreviate the street suffix.
For instance, if you're writing an address for a building with a suite number, it should look like this: John Smith, 123 Main Street, Suite 101.
Removing or Modifying Addresses
If you need to remove or modify a street address line 1, you can do so by deleting or editing the existing address.
Street address line 1 is a required field, so you won't be able to remove it entirely, but you can blank it out by deleting the existing text.
In some cases, you may need to modify the street address line 1, such as changing the street name or number.
Examples and Forms

The Address Line 1 field is the first part of your address, and it's essential to get it right.
To write your address, you'll need to split up the different parts of your address into several lines so your postal service company can easily understand the address and process your delivery. This is especially important when filling out forms online or on paper.
A typical example of Address Line 1 is 123 Main St., Apt. 4A. This includes the building number, street name, street suffix, and apartment number, all separated by commas.
In online forms, you'll often see Address Line 1 and Address Line 2 fields. Address Line 1 should include your street number, name of your street, and apartment number, while Address Line 2 is optional and can include additional information like a suite number or building name.
The USPS has specific addressing standards that require Address Line 1 to be formatted in a specific way, with each component separated by a comma. This ensures that your mail or package is delivered accurately and promptly.
Address Line 1

Address Line 1 is the first line of a street address that includes essential information about the location of the recipient's building or house.
It is made up of three components, including the street number, street name, and street suffix.
The street number is usually a numerical value that indicates the specific location of the building or house on the street.
The street name is a descriptive term that identifies the street where the recipient's building or house is located.
The street suffix is used to indicate the type of street where the recipient's building or house is located, and can be an abbreviation or a full word.
It is essential to include the street suffix in Address Line 1 because it helps to identify the correct type of street where the recipient's building or house is located.
Frequently Asked Questions
What is address line 1 and 2 of my location?
Address line 1 includes your house number and street name, with apartment/flat number if applicable. Address line 2 can contain any additional address details, such as apartment/flat number if not in line 1
What is address line 1 and 2 with example?
Address Line 1 includes the building or house number, street name, and suffix, while Address Line 2 contains additional details like apartment, floor, or suite numbers. Examples: Address Line 1 - "86 Brattle St.", Address Line 2 - "3rd Floor" or "Apt 204"
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