You can add multiple addresses for a customer (e.g. a home address and a work address). Here's how:
Click the name of the customer you want to edit.
Click Add address to add a new address, or click an existing address to edit it.
Give the address a name (e.g. Main address).
Fill in the applicable fields.
Click Save customer to save your changes.
Tip: For international addresses, you can change the way address lines are ordered under Settings > Localization.