Address fields

Address Line 2 Meaning and Examples

Address Line 2 is the optional part of an address that adds delivery details after the main street address. It usually contains an apartment, suite, unit, floor, room, department, building, or mailbox detail.

Common Address Line 2 values

• Apt 4B for an apartment.
• Suite 1200 for an office suite.
• Unit 8 or #8 for a unit number.
• Floor 3 or Room 302 for larger buildings.
• Building A for campuses or multi-building complexes.

Example format

Jordan Miller
845 Market St
Suite 420
San Francisco, CA 94103
United States

Testing recommendations

Test your form with Address Line 2 empty, short, long, and combined with the street line. CSV exports should preserve the field as text, and mobile layouts should not hide or truncate apartment and suite labels.

Generate examples

The U.S. address generator, Japan address generator, and UK address generator include secondary address variants for QA workflows.