The +255 prefix belongs to Tanzania. If you got a call or text from a number starting with +255 (calling code 255), it came from Tanzania.
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Code
+255
ISO
TZ
Region
Africa
Time zone
Africa/Dar es Salaam
The +255 code identifies Tanzania on the international telephone network. Country code 255 is assigned to Tanzania under the ITU-T E.164 numbering plan, so any phone number that begins with +255 — written +255 or 00255 — is a Tanzania number.
Every Tanzania 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 Tanzania from abroad, the only fixed part is +255 — that's the country code. The rest depends on whether you're calling a mobile or landline number inside Tanzania.
+XXX XXX XXX XXX
Example: +255 621 234 567
+255 XX XXXX XXX
Include the area code if applicable. Omit any leading 0.
Enter the country code +255 when dialing Tanzania 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 Tanzania:
Dialing codes immediately above and below +255 in the ITU plan — handy if you mistyped a digit or are dialing across a region.
Everything you need to know about TwinPhone.
The +255 code belongs to Tanzania. Any phone number that starts with +255 — or with 00255 — is a Tanzania number.
The 00255 prefix is Tanzania. The 00 is the international exit code dialed from Europe and many other regions; it is followed by +255, the Tanzania country code.
Dialing code 255 (dialed as +255 or 00255) belongs to Tanzania. Any phone number that starts with +255 is a Tanzania number.
Country code 255 is the ITU-T E.164 calling code for Tanzania. To call Tanzania from abroad, dial +255 followed by the national number.
The country code (international dialing code) for Tanzania is +255. To call Tanzania from abroad, dial +255 followed by the national number (in most countries, without its leading zero).
+255 is Tanzania's international country calling code under the ITU E.164 plan — often searched as the "255 area code". Any phone number starting with +255 is a Tanzania number.
From TwinPhone, just type +255 and the number — we connect it. From a landline, dial your exit code, then +255, then the number (in most countries, without the leading 0).
Tanzania'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 Tanzania 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 Tanzania 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 +255 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 +255 and the Tanzania number, and the call connects.
A +255 number is not automatically a scam — +255 is simply the country code 255 assigned to Tanzania under ITU-T E.164, so the call or text came from Tanzania. If you do not know anyone there, treat an unexpected +255 call with the same caution as any unknown number: do not call back blindly and do not share personal details. Costs to call Tanzania are shown above.
Dial +255 with TwinPhone — no SIM, no app, right from your browser.
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