| Place | Postal Code |
|---|---|
| Postal/ZIP Codes in Alvoeira, Mouronho | 3420-161 |
| Postal/ZIP Codes in Canhestro, Mouronho | 3420-162 |
| Postal/ZIP Codes in Castanheira, Mouronho | 3420-163 |
| Postal/ZIP Codes in Catraia de Mouronho, Mouronho | 3420-164 |
| Postal/ZIP Codes in Fontão, Mouronho | 3420-165 |
| Postal/ZIP Codes in Malhada Velha, Mouronho | 3420-166 |
| Postal/ZIP Codes in Meda, Mouronho | 3420-167 |
| Postal/ZIP Codes in Mouronho, Mouronho | 3420 |
| Postal/ZIP Codes in Outeiro, Mouronho | 3420-169 |
| Postal/ZIP Codes in Pereira, Mouronho | 3420-170 |
| Postal/ZIP Codes in Pereirinha, Mouronho | 3420-171 |
| Postal/ZIP Codes in Pousadouros, Mouronho | 3420-172 |
| Postal/ZIP Codes in Ronqueira, Mouronho | 3420-173 |
| Postal/ZIP Codes in São Fagundo, Mouronho | 3420-174 |
| Postal/ZIP Codes in Vale de Urze, Mouronho | 3420-175 |
| Postal/ZIP Codes in Venda da Serra, Mouronho | 3420-176 |
| Postal/ZIP Codes in Venda do Vale, Mouronho | 3420-177 |
| Postal/ZIP Codes in Vila Carvalhal, Mouronho | 3420-178 |