The Area Codes of Costa Rica:
The 10 most frequently searched cities / regions or area codes:
| City/Town or Region | Area code | |
|---|---|---|
| 1. | Alajuela | 24 (+506 24) |
| 2. | Cartago, San Jose, Heredia | 25 (+506 25) |
| 3. | Guanacaste, Central, North Puntarenas | 26 (+506 26) |
| 4. | Limon, South Puntarenas | 27 (+506 27) |
| 5. | San Jose, Heredia | 22 (+506 22) |
| 6. | Universidad de Costa Rica | 2511 (+506 2511) |