El Barrio San Martín belongs to the municipality Calkiní, Campeche state and its official ZIP Code is 24903
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 Calkiní the Zip Code range of the Campeche state is 24. To send letters or packages to Calkiní, Campeche you must always use the five-digit postal code.
The local area phone code is 996
Check out the Campeche ZIP Code list
Check out the list of cities with 24903 ZIP Code in México