A Developer's Checklist: Does Your App Ship to Puerto Rico?

Quick audit checklist for ecommerce developers. If your platform fails any of these, you're blocking 3.2 million US customers. The Checklist Address Validation [ ] State dropdown includes PR, GU, VI, AS, MP, DC [ ] Zip code validation accepts 006xx through 009xx (PR range) [ ] Address autocomplete returns Puerto Rico results [ ] "Country: United States" includes PR addresses Shipping Configuration [ ] PR is in your "Domestic" shipping zone (not "International" or "Rest of World") [ ] No Extended Area Surcharges applied to PR (use USPS) [ ] Carrier API correctly classifies PR as domestic [ ] Shipping calculator returns valid rates for zip 00901 Tax Calculation [ ] PR addresses get IVU rate (11.5%), not mainland state tax [ ] Tax exempt for certain categories per PR law [ ] No import duties calculated (it's domestic!) Checkout Flow [ ] Complete checkout possible with PR billing address [ ] PR phone format accepted (+1-787-XXX-XXXX and +1-939-XXX-XXXX) [ ] Email confirmation doesn't say "