Every number type in Tanzania with real format examples: how numbers are written domestically, how to dial them from abroad, and the E.164 form your systems should store.
Right now in Tanzania
--:--
Country code
+255
Trunk prefix
0
Intl. call prefix
00[056]
Mobile digits
9
Number formats by type
Examples from the official numbering plan metadata. The E.164 column is the normalized form for databases and APIs.
Type
Domestic (national)
From abroad
E.164
Digits
Landline
022 234 5678
+255 22 234 5678
+255222345678
9
Mobile
0621 234 567
+255 621 234 567
+255621234567
9
Toll-free
0800 12 3456
+255 800 12 3456
+255800123456
9
Premium rate
0900 12 3456
+255 900 12 3456
+255900123456
9
VoIP
041 234 5678
+255 41 234 5678
+255412345678
9
Shared cost
0840 12 3456
+255 840 12 3456
+255840123456
9
How to call Tanzania
From abroad: dial +255 (or your country's exit code, e.g. 00 from Europe, 011 from North America), then the national number without the leading 0. Example: +255 621 234 567
Within Tanzania: dial the number as written domestically, including the trunk prefix 0. Example: 0621 234 567
Calling abroad from Tanzania: the international prefix is 00[056], or simply use + on mobiles.
Storing numbers in software: always store E.164 (+255621234567): unambiguous, sortable, and what SMS and telephony APIs expect.
Exact dial sequence from your country
Pick where you are calling from and get the digit-for-digit sequence for a Tanzania number, with your country's exit code instead of the generic +.
Dial exactly
Frequently Asked Questions
What is the phone number format in Tanzania?
Numbers in Tanzania use country code +255. A mobile number looks like 0621 234 567 domestically, or +255 621 234 567 in international format (E.164: +255621234567). Mobile numbers have 9 national digits.
How do I call Tanzania from abroad?
Dial your country's international prefix (or +), then 255, then the national number without the leading 0. Example: +255 621 234 567.
What is the country calling code for Tanzania?
The country calling code for Tanzania is +255. To call abroad from Tanzania, the international prefix is 00[056] (or use +).
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