El Barrio Chacahua belongs to the municipality Santa María Tonameca, Oaxaca state and its official ZIP Code is 70949
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 Santa María Tonameca the Zip Code range of the Oaxaca state is 68 a 71. To send letters or packages to Santa María Tonameca, Oaxaca you must always use the five-digit postal code.
The local area phone code is 958
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Check out the list of cities with 70949 ZIP Code in México