| Code | Name | Region |
|---|---|---|
| PTELV | Elvas | 12 |
| PTEOR | Entre-os-rios | 13 |
| PTENT | Entroncamento | 14 |
| PTVJT | Envendos | 14 |
| PTERC | Ericeira | 11 |
| PTERM | Ermesinde | 13 |
| PTCBP | Coimbra | 6 |
| PTCDC | Coimbra Cdp | 6 |
| PTCOI | Coimbrao | 10 |
| PTCNA | Coina | 15 |
| PTCOJ | Coja | 6 |
| PTCLR | Colares | 11 |
| PTCOL | Colmeias | 10 |
| PTCLS | Colos | |
| PTCMP | Comporta | 15 |
| PTCAN | Condeixa A Nova | 6 |
| PTCON | Constancia | 14 |
| PTCOR | Coronado-sao Mamede | |
| PTCTL | Corotelo | 8 |
| PTCRS | Corroios | 15 |
| PTZGA | Cortegaca | |
| PTTZD | Cortegaca | 11 |
| PTCO5 | Cortes | 16 |
| PTCRE | Coruche | 14 |
| PTCVU | Corvo Island Apt | 20 |
| PTCAP | Costa Da Caparica | 15 |
| PTCVD | Castelo De Vide | 12 |
| PTCNV | Castelo Do Neiva | 16 |
| PTCTD | Castro Daire | 18 |
| PTCMM | Castro Marim | 8 |
| PTCVR | Castro Verde | 2 |
| PTCAV | Cavalos | 8 |
| PTPTC | Caxarias | 11 |
| PTCAX | Caxias | 11 |
| PTCDM | Cedovim | 9 |
| PTCLB | Celorico Da Beira | 9 |
| PTCBT | Celorico De Basto | 3 |
| PTCLJ | Cercal Do Alentejo | 15 |
| PTCER | Cernache | 6 |
| PTCDB | Cernache Do Bonjardim | 5 |
| PTCSR | Cesar | 1 |
| PTCHM | Chamusca | 14 |
| PTCCC | Chao De Couce | 10 |
| PTCXP | Charneca Da Caparica | 15 |
| PTCHV | Chaves | 17 |
| PTCNF | Cinfaes | 18 |
| PTCGS | Carregosa | 15 |
| PTCXO | Cartaxo | 14 |
| PTTZE | Carvalhais | 4 |
| PTCAR | Carvalhos | 3 |