| Code | Name | Region |
|---|---|---|
| NIWSP | Waspam | |
| NISMR | San Marcos | CA |
| NISRN | San Rafael Del Norte | JI |
| NISRS | San Rafael Del Sur | MN |
| NISEB | Sebaco | MT |
| NISIU | Siuna | |
| NISOM | Somoto | MD |
| NITEU | Teustepe | |
| NITIM | Tisma | MS |
| NITLN | Tola | |
| NI8LG | Totogalpa | MD |
| NIVEC | Villa El Carmen | MN |
| NIWAS | Waslala | AN |
| NITPA | Tipitapa | MN |
| NIRIB | Rio Blanco | |
| NIRAM | Rama | AS |
| NIQUI | Quilali | NS |
| NIPSN | Puerto Sandino | |
| NIPIB | Puerto Isabel | |
| NIPUZ | Puerto Cabezas | |
| NIPON | Pueblo Nuevo | ES |
| NIPRI | Prinzapolca | |
| NIPTI | Potosi | CI |
| NIPAL | Palacaguina | MD |
| NISBT | San Benito (tipitapa) | MN |
| NIRFS | Rosita | |
| NISLO | San Lorenzo | BO |
| NISJC | San Juan Rio Coco | MD |
| NISJS | San Juan Del Sur | |
| NISJO | San Juan De Oriente | MS |
| NISFL | San Francisco Libre | MN |
| NINCR | San Carlos | |
| NISBS | San Benito (san Francisco Libre) | MN |
| NIRVV | Rivas | |
| NIMR3 | Miramar | LE |
| NIOCO | Ocotal | NS |
| NINUG | Nueva Guinea | |
| NINQO | Niquinohomo | MS |
| NINII | Nindiri | MS |
| NINAN | Nandaime | |
| NINGE | Nagarote | LE |
| NIMTE | Montelimar | MN |
| NIMR2 | Miramar/nagarote | LE |
| NIZMN | Mina El Limon | CI |
| NIZLI | Libertad-chontales | CO |
| NIZLS | Los Brasiles | MN |
| NIMAL | Malacatoya | GR |
| NIMGA | Managua | |
| NIMAC | Masachapa | MN |
| NIMSP | Masatepe |