Find zip code of address in Lake Havasu City, AZ on the map. The land area of this postal code is slightly higher than the average area for the country. Its detail State, County, City, Longitude, Latitude, Envelope Example, Population is as below. For your research we have also included Lake Havasu City Area Code, Time Zone, UTC and the local Mohave County FIPS For your convenience we have also indicated if that zip code in Lake Havasu City observes Daylight Savings time. Search. by zip code: by city: by area code: Lake Havasu City Zip Codes, Mohave, Arizona. Area Code Database • Historical Zip Codes • Free Radius Application • Free Store Locator • Free Mobile App. View all the Counties or Cities of Arizona. Search ZIP Codes and Area Codes across all cities in US. The Residential addresses are segmented by both Single and Multi-family addessses. Lake Havasu City, AZ has the following Exchanges (NXX).