Postal & Address Guides
Clear answers to common questions about international address formatting, checkout form fields, postal codes, and shipping rules.
What is Address Line 2?
Address Line 2 is an optional field on checkout and shipping forms used for apartment, suite, unit, or floor numbers. Learn what to put in Address Line 2 with visual examples.
What is Address Line 1?
Address Line 1 is the primary required address field on checkout forms used for your main street address, house number, and street name. Learn how to format it.
Address Line 1 vs. Address Line 2
Learn the exact differences between Address Line 1 and Address Line 2 with examples, comparison tables, and form placement rules.
What to Put for State/Province?
Stuck on a checkout form asking for State or Province? Learn what to enter for countries like the UK, UAE, Pakistan, Singapore, and Romania.