Postal Code 31640 Boundary Map
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Postal Code 31640 Profile
| Postal Code Place Name | San Andrés |
| State | Chihuahua |
| Municipality | Riva Palacio |
| Area km² | 1.93613803 |
Adjacent Postal Codes
| 31643 |
| Postal Code Place Name | San Andrés |
| State | Chihuahua |
| Municipality | Riva Palacio |
| Area km² | 1.93613803 |
| 31643 |