| Postal Code | Postal Code Place Name | Province | Canton |
|---|---|---|---|
| 10101 | Carmen | San José | San José |
| 10102 | Merced | San José | San José |
| 10103 | Hospital | San José | San José |
| 10104 | Catedral | San José | San José |
| 10105 | Zapote | San José | San José |
| 10106 | San Francisco de Dos Ríos | San José | San José |
| 10107 | Uruca | San José | San José |
| 10108 | Mata Redonda | San José | San José |
| 10109 | Pavas | San José | San José |
| 10110 | Hatillo | San José | San José |
| 10111 | San Sebastián | San José | San José |