jamesrtyrrell 

Fast, zero-allocation postal code lookup for .NET 8+. Built-in data for US (41k zip codes), Canada (891k postal codes) and Mexico (32k postal codes). Lookup by zip/postal code, city, state, province and IANA... More information

Fast postal code lookup for .NET Standard 2.0 — compatible with .NET Framework 4.6.1+, .NET Core 2+, .NET 5–7, and Unity. Built-in data for US (41k zip codes), Canada (891k postal codes) and Mexico (32k postal... More information