I’m currently looking into finding a reliable international ZIP/postal code database for a project I’ve been planning. The goal is to have something that covers as many countries as possible, ideally with reasonably up-to-date entries and consistent formatting.
What I’m struggling with is figuring out which sources are actually trustworthy and not overly restrictive in how you can use the data. I’ve come across a few open datasets and commercial options, but it’s hard to tell which ones are accurate and won’t turn into a maintenance nightmare down the line.
Has anyone here used an international postal code database in the likes of the one from geopostcodes in their work or hobby projects? I’d love to hear how well it performed and whether there were any issues with coverage, licensing, or data structure. The last thing I want is to build something around a dataset that ends up being incomplete or outdated six months in.
Thanks in advance to anyone willing to share their experience!
