3210 is the Postal Code/ZIP Code for the of Guatajiagua in the El Salvador Department of Morazán and the Municipality of Guatajiagua.
| Postal Code | 3210 |
| Postal Code Name | Guatajiagua |
| Department | Morazán Department |
| Municipality | Guatajiagua Municipality |
| Timezone | Central Standard Time (CST) |
| Adjacent Postal Codes | 3225 3301 3303 3305 |