The +506 prefix belongs to Costa Rica. If you got a call or text from a number starting with +506 (calling code 506), it came from Costa Rica.
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Code
+506
ISO
CR
Region
Americas
Time zone
America/Costa Rica
The +506 code identifies Costa Rica on the international telephone network. Country code 506 is assigned to Costa Rica under the ITU-T E.164 numbering plan, so any phone number that begins with +506 — written +506 or 00506 — is a Costa Rica number.
Every Costa Rica number in international format follows this shape — colour-coded so you can see where the country code ends and the local number begins.
When dialing Costa Rica from abroad, the only fixed part is +506 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Costa Rica.
+XXX XXXX XXXX
Example: +506 8312 3456
+506 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +506 when dialing Costa Rica from abroad.
Add the local phone number (in most countries, drop the leading zero).
Use TwinPhone to connect the call at low per-minute rates.
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Example numbers for Costa Rica:
Dialing codes immediately above and below +506 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The +506 code belongs to Costa Rica. Any phone number that starts with +506 — or with 00506 — is a Costa Rica number.
The 00506 prefix is Costa Rica. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +506, the Costa Rica country code.
Dialing code 506 (dialed as +506 or 00506) belongs to Costa Rica. Any phone number that starts with +506 is a Costa Rica number.
Country code 506 is the ITU-T E.164 calling code for Costa Rica. To call Costa Rica from abroad, dial +506 followed by the national number.
The country code (international dialing code) for Costa Rica is +506. To call Costa Rica from abroad, dial +506 followed by the national number (in most countries, without its leading zero).
+506 is Costa Rica's international country calling code under the ITU E.164 plan — often searched as the "506 area code". Any phone number starting with +506 is a Costa Rica number.
From TwinPhone, just type +506 and the number — we connect it. From a landline, dial your exit code, then +506, then the number (in most countries, without the leading 0).
Costa Rica's current local time is shown live on this page. Check it before calling so you reach people during waking hours.
Yes! Virtual numbers in Costa Rica start at $1.60/month. Use it as your caller ID so people see a local number, or receive incoming calls directly in your browser.
Calling Costa Rica with TwinPhone starts from $0.02/min, billed by the minute (rounded up to the next full minute). It is pay-as-you-go from your browser — no connection fee and no monthly fee. The exact per-minute price for +506 landlines and mobiles is shown live on this page.
Yes. TwinPhone works entirely in your web browser — Chrome, Edge, Safari, or Brave on desktop or mobile. There is no app to install and no SIM card: open the site, add credit, dial +506 and the Costa Rica number, and the call connects.
A +506 number is not automatically a scam — +506 is simply the country code 506 assigned to Costa Rica under ITU-T E.164, so the call or text came from Costa Rica. If you do not know anyone there, treat an unexpected +506 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Costa Rica are shown above.

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