Geographic data
Geographic data ©GeoNames, underCC BY 4.0. We index, group and localize the data.
Postal prefix
Taiwan postal-prefix data: Chunghwa Post, used under its public authorization statement. Read the public authorization
China address references
Copyright (c) 2020 Haole Zheng · MIT License
Maps & images
District boundaries from 2017; city outlines combine matched districts and may be incomplete. Not postal delivery areas. · © OpenStreetMap contributors · geoBoundaries · ODbL 1.0
Simplified 2017 U.S. administrative boundaries; approximate points, not ZIP delivery areas · U.S. Census Bureau · us-atlas 3.0.1 (ISC)
Maps © OpenStreetMap contributors. Country outlines: Natural Earth. Country photos: Unsplash.