+506 is the country code for Costa Rica.
Every phone number in Costa Rica starts with +506 when you call it from another country. From the US, dial 011 506, then the full number.
- Time there
- Costa Rica timeCentral Standard Time, UTC-6, no daylight saving
- From the US or Canada
- 011 506 8312 3456
- From the UK and most of Europe
- 00 506 8312 3456
- From Australia
- 0011 506 8312 3456
- From any mobile phone
- +506 8312 3456
- Inside Costa Rica
- 8312 3456
- Mobile numbers
- 8 digits after +506
- Toll-free numbers
- Start with 800
Check a +506 number to see whether it is a mobile, a landline or VoIP.
Pick the country, enter the number without the +506, and the free check shows whether it is valid and whether it is a mobile, a landline or VoIP.
Mobile numbers in Costa Rica start with 50, 57, 60, 61, 62, 63, 64, 65, 70, 71, 72, 73, 83, 84, 85, 86, 87, 88 or 89, and this table shows which networks first issued each start.
| At home | From abroad | First issued by |
|---|---|---|
| 50 | +506 50 | Kolbi ICE |
| 57 | +506 57 | Kolbi ICE |
| 60 | +506 60 | Movistar |
| 61 | +506 61 | Movistar |
| 62 | +506 62 | Movistar |
| 63 | +506 63 | Movistar |
| 64 | +506 64 | Movistar |
| 65 | +506 65 | Movistar |
| 70 | +506 70 | Claro |
| 71 | +506 71 | Claro |
| 72 | +506 72 | Claro |
| 73 | +506 73 | Claro |
| 83 | +506 83 | Kolbi ICE |
| 84 | +506 84 | Kolbi ICE |
| 85 | +506 85 | Kolbi ICE |
| 86 | +506 86 | Kolbi ICE |
| 87 | +506 87 | Kolbi ICE |
| 88 | +506 88 | Kolbi ICE |
| 89 | +506 89 | Kolbi ICE |
Kolbi ICE started 50, 57, 83, 84, 85, 86, 87, 88 and 89, Movistar started 60, 61, 62, 63, 64 and 65 and Claro started 70, 71, 72 and 73. People keep their number when they switch networks, so the start shows where a number began. Our free number portability lookup shows the network it is on today.
In Costa Rica, the phone number format for apps and SMS gateways is +506 followed by the full number.
| Written | Example | Where you see it |
|---|---|---|
| At home | 8312 3456 | Business cards, local ads |
| International | +506 8312 3456 | Websites, email signatures |
| E.164 | +50683123456 | APIs, SMS gateways, CRMs |
A missed call from a +506 number you don't know can be a one-ring scam, so check it before calling back.
One-ring scams call once and hang up, hoping you call back a line that bills you international or premium rates.
- Don't call back an international number you don't know. A real caller leaves a message or sends a text.
- Check the number in the box above. A number that is not a working mobile or landline in Costa Rica is a warning sign.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report it at reportfraud.ftc.gov, and see the FCC's guide to one-ring scams.
The codes next to +506 belong to other countries, so one wrong digit reaches a different place.
These are the questions people ask most about +506.
Which country uses the +506 country code?
Costa Rica. Every phone number there starts with +506 when it is dialed from abroad.
How do I call Costa Rica from the US?
Dial 011, then 506, then the full number. A mobile number written 8312 3456 at home is dialed 011 506 8312 3456 from the US, or +506 8312 3456 from any mobile phone.
Is +506 the same as 00506?
Yes. 00 is the exit code used in Costa Rica and most of the world, and the + on a mobile phone stands in for whatever exit code your network uses. From the US and Canada the exit code is 011 instead.
How many digits is a phone number in Costa Rica?
A mobile number has 8 digits after +506, written 8312 3456 at home.
What time is it in Costa Rica?
Costa Rica is on Central Standard Time, UTC-6, all year. It does not use daylight saving time.
How do I check a +506 number that called me?
Enter it in the box above. The free check shows whether it is a valid number from Costa Rica and whether it is a mobile, a landline or a VoIP line, which helps you spot a one-ring scam before you call back.
Sources: Google's libphonenumber numbering data for lengths, mobile starts, area code places, first-issuing networks and time zones, as of September 24, 2026; the ITU list of country codes.