Address Format Lab
Generate fictional US and international addresses for format learning and software testing.

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Overview
What is Address Format Lab?
Address Format Lab (usadizhi.com) is a free address-format lab for developers, QA testers, and anyone learning how international forms should be filled.
Open the site, pick a country, and generate a sample in the browser—no signup and no server-side identity database. The United States coverage includes all 50 states plus popular cities, with the usual writing order of street, city, state abbreviation, and ZIP. The same workflow also covers Canada, Japan, the UK, Germany, Singapore, and more than 20 other regions, each with local postal examples and format notes.
Sensitive fields such as card numbers, national IDs, and SSNs keep common display lengths but are built to fail real checksums. Email and phone values cannot receive mail or pass verification. Use the samples to check field length, line breaks, and layout—not for live payments, shipping, or identity checks.
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