La Colonia Chalco belongs to the municipality San Martín Texmelucan, Puebla state and its official ZIP Code is 74126
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 Martín Texmelucan the Zip Code range of the Puebla state is 72 a 75. To send letters or packages to San Martín Texmelucan, Puebla you must always use the five-digit postal code.
The local area phone code is 248
Check out the Puebla ZIP Code list
Check out the list of cities with 74126 ZIP Code in México