El Barrio Casa Grande belongs to the municipality San Agustín Tlaxiaca, Hidalgo state and its official ZIP Code is 42165
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 San Agustín Tlaxiaca the Zip Code range of the Hidalgo state is 42 y 43. To send letters or packages to San Agustín Tlaxiaca, Hidalgo you must always use the five-digit postal code.
The local area phone code is 743
Check out the Hidalgo ZIP Code list
Check out the list of cities with 42165 ZIP Code in México