El Rancho Casa Grande belongs to the municipality Tepache, Sonora state and its official ZIP Code is 84754
The Postal Codes National Catalog is prepared by the Mexican Postal Service and the postal code has 5 digits, depending on the country area. The first two digits identify the state or part of it. In the case of Tepache the Zip Code range of the Sonora state is 83 a 85. To send letters or packages to Tepache, Sonora you must always use the five-digit postal code.
The local area phone code is 634
Check out the Sonora ZIP Code list
Check out the list of cities with 84754 ZIP Code in México