Why are there two Address lines in Address forms?

Address Line 1 is generally for the civic number and street name (street address). Address Line 2 is for the apartment, suite, unit number, or other address designation that is not part of the physical address.

1. Why are there 2 address lines?
2. What is the difference between address line 1 and 2?
3. What is address line 1 and 2 in form?
4. What is the difference between address line 1 and 2 and 3?

Why are there 2 address lines?

In the US, two lines are often provided to allow space for parts of the address which don't fit/belong on a single line such as 'apt 10' or 'suite 1B'. It can also be used for instructions to the package carrier such as 'SIGNATURE REQUIRED'.

What is the difference between address line 1 and 2?

Address line 1 should contain the primary address information and secondary address information (e.g., floor, suite or mail stop number) on one line. Address line 2 should contain the building/dorm or school name.

What is address line 1 and 2 in form?

Generally, in address line 1 street address is filled. Address line 2 is for the apartment number (or any other designation not literally part of the physical address) If the apartment number is short, and the address is short, it can be done in one line only.

What is the difference between address line 1 and 2 and 3?

First line is the name of your building or the number. Second line is road name. Third is the area name.