Javid Izadfar contributed to the faker-js/faker repository by updating Farsi phone number formatting to accurately reflect local, national, and international dialing conventions. Using TypeScript and applying principles of internationalization and localization, Javid corrected locale data to reduce formatting errors for Farsi-speaking users. The work improved data quality and user experience, particularly for right-to-left languages and regional dialing patterns. This update aligned the library’s phone number generation with international standards, enhancing trust and usability for developers targeting Farsi-speaking regions. Javid’s changes were delivered through a co-authored commit, demonstrating collaborative development and attention to detail in code quality and documentation.