Have you received a missed call or a WhatsApp message from a number starting with 00905
and are wondering which country it is? You’re not alone. While it’s confusing, the answer is simpler than you think.
The simple answer: “00905” is not a country code itself, but it almost always indicates a mobile number from Turkey (country code +90).
Why You’re Seeing 00905: The Breakdown
International phone numbers can be tricky. Here’s how a Turkish mobile number often appears as 00905
:
00
or+
: This is the international exit code used to dial a number outside of your country.90
: This is the official country code for Turkey.5xx
: This is the prefix for all mobile phone numbers in Turkey (e.g., 505, 532, 555, etc.).
When someone from a Turkish mobile number (+90 5xx...
) calls you, your phone might display it as 00905...
, causing the confusion. So, if you see this prefix, you are likely dealing with a number from Turkey.
Is 00905 a WhatsApp Number?
Yes, this is one of the most common places people see this number prefix. If you receive a message on WhatsApp from a number starting with +90 5...
or 00905...
, it is from an account registered with a Turkish mobile number.
What Should You Do if You Receive a Call or Message from +90 5xx?

Seeing an unknown international number can be concerning. Here’s how to handle it safely:
- Don’t Call Back Immediately: If you don’t recognize the number or expect a call from Turkey, avoid calling back. Some scams rely on tricking you into calling a premium-rate number that charges you high fees.
- Check Your Contacts: Is it possible a friend, family member, or business contact is traveling or living in Turkey?
- Search the Number: You can search the full number (without the
+90
) in Google or on social media to see if it’s associated with a known business or individual. - Be Cautious of Scams: Be wary of messages claiming you’ve won a prize, have a package delivery, or need to verify an account. Never share personal information or click on suspicious links.
Another Possibility (Less Common)
The original article correctly pointed out another, less common possibility:
905
Area Code: This is a valid area code for a region in Southern Ontario, Canada. It’s possible someone shared a local Canadian number incorrectly by adding the international prefix “00”. However, in the context of international calls and WhatsApp, the Turkey explanation is far more likely.
Conclusion
While there is no official “00905 country code,” the evidence overwhelmingly points to it being a Turkish mobile number. By understanding the breakdown (00
+ 90
+ 5xx
), you can quickly identify the origin of the call and decide how to proceed safely. Always exercise caution when dealing with unknown international numbers.
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