If you live in a house, you will typically put your address information on one line. Apartments, PO boxes and businesses may require a second line of information to fit the full address.
The problem with this extra field is that it can create confusion for your customers and lead to incorrect data. This can lead to costly mistakes in business processes, such as processing invoices, bills or credit card statements.
Having the extra address line also can confuse your users when it comes to filling out online forms. In fact, our research has shown that if you include an additional line of text for your address, users will likely enter different information in each form field. This can result in a messy and incomplete address, which can delay or even prevent your customer’s mail from getting to them.
In order to avoid these issues, it is best to get rid of the extra address line for the majority of your users. This can be done by hiding the field behind a link that is only visible in situations where it is needed. Eye-tracking testing has shown that most users notice the links and understand that they will be able to expand the address line 2 field when they click on it.
You can also use advanced tools like PostGrid’s address verification API to ensure quality address data right at the point of input. This helps to avoid costly mistakes later in the process and makes it easier for your customers to provide accurate, complete information.