| Code | Name | Region |
|---|---|---|
| CLMAU | Maule | ML |
| CLMLL | Maullin | LL |
| CLMJS | Mejillones | AN |
| CLMLI | Melinka | LL |
| CLMLP | Melipeuco | AR |
| CLMEL | Melipilla | RM |
| CLMIC | Michilla | AN |
| CLMIN | Mininco | AR |
| CLMOL | Molina | ML |
| CLMTP | Monte Patria | CO |
| CLMUL | Mulchen | BI |
| CLNAC | Nacimiento | BI |
| CLNCG | Nancagua | LI |
| CLNAN | Nancahua | LI |
| CLNAV | Navidad | LI |
| CLNEG | Negrete | BI |
| CLNBL | Niebla | LL |
| CLNIN | Ninhue | BI |
| CLNPS | Nipas | BI |
| CLLAL | Los Alamos | BI |
| CLLND | Los Andes | VS |
| CLLSQ | Los Angeles | BI |
| CLULC | Los Cerrillos Apt/santiago | RM |
| CLLLG | Los Lagos | LL |
| CLLMU | Los Muermos | LL |
| CLLSA | Los Sauces | AR |
| CLLVT | Los Vientos | AN |
| CLLOS | Los Vilos | CO |
| CLLTA | Lota | BI |
| CLLUM | Lumaco | AR |
| CLMCI | Machali | LI |
| CLMAC | Macul | RM |
| CLMAF | Mafil | LL |
| CLMAI | Maipu | RM |
| CLMAL | Malloa | LI |
| CLMCO | Malloco | RM |
| CLMAR | Marchihue | LI |
| CLMAE | Maria Elena | AN |
| CLMPI | Maria Pinto | RM |
| CLLIC | Licanten | ML |
| CLLIM | Limache | VS |
| CLLMR | Limari | CO |
| CLLIN | Linares | ML |
| CLLDR | Linderos | RM |
| CLLQN | Lirquen | BI |
| CLLIT | Litueche | LI |
| CLLIU | Liucura | AR |
| CLLLA | Llaillay | VS |
| CLLIA | Llanquihue | LL |
| CLLLI | Llico | BI |