🇹🇿East Africa Calling Guide

Tanzania
Dialing Code is +255

Connecting to Dar es Salaam, Arusha, or Zanzibar? The country code for Tanzania is +255. Make crystal-clear calls to Vodacom, Tigo, and Airtel numbers directly from your browser.

How to Dial
Calling TanzaniaReady
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How to Call Tanzania Step-by-Step

Follow these simple steps to connect to any landline or mobile in Tanzania.

1

Exit Code

Dial your country's exit code.
011 (USA/Canada)
00 (UK/Europe)
(Or just hold 0 to get + on mobile)

2

Tanzania Code (+255)

Dial +255. This routes your call to the Tanzanian telecom network.

3

Area Code & Number

Dial the city code or mobile prefix.Important: Drop the leading zero!

The "Drop the Zero" Rule

Tanzanian area codes and mobile prefixes start with '0' (e.g., 022 for Dar es Salaam, 075 for Vodacom). When calling from abroad, you must remove this zero.

Landline (Dar es Salaam)
+255 022 123 4567
Mobile (Vodacom)
+255 075 412 3456

Tanzania City Codes

Use these area codes for landline calls. Remember to drop the '0' when dialing internationally.

CityRegionArea Code
Dar es SalaamCoast022
ArushaNorthern027
DodomaCentral026
MwanzaLake Zone028
ZanzibarIslands024
CityRegionArea Code
MbeyaSouthern Highlands025
Kilimanjaro (Moshi)Northern027
TangaNorthern Coast027
MorogoroEastern023
IringaSouthern Highlands026
Mobile Networks

Tanzania Mobile Prefixes

Identify the carrier by the prefix. Dial +255 followed by these numbers (dropping the first 0).

074 / 075 / 076
Vodacom Tanzania
065 / 067 / 071
Tigo
068 / 069 / 078
Airtel
061 / 062
Halotel
077
Zantel (Zanzibar)
073
TTCL

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Frequently Asked Questions

What is the country code for Tanzania?

The country calling code for Tanzania is +255. You must dial this after your country's exit code (011 for US, 00 for Europe) and before the area code.

How do I call a mobile number in Tanzania?

Tanzanian mobile numbers are 10 digits long and start with 06 or 07 (e.g., 0754, 0655). When calling from abroad, drop the leading '0'. Dial +255 followed by the 9-digit mobile number (e.g., +255 754 123 456).

What are the area codes for major cities?

Dar es Salaam is 022, Arusha/Moshi is 027, and Zanzibar is 024. Remember to remove the '0' when dialing internationally (e.g., +255 22... for Dar es Salaam).

Can I call Zanzibar with the same code?

Yes, Zanzibar uses the same country code (+255) as mainland Tanzania. However, it has its own area code (024) for landlines and specific mobile prefixes (like Zantel's 077).

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Tanzania Dialing in Practice: The Leading Zero Rule, Network Prefixes, and Zanzibar

In short

Calls to Tanzania on +255 fail for one reason more than any other, a leading zero left in the number. This guide explains the zero rule properly, maps the mobile prefixes to their networks, covers city codes including Zanzibar's, and lays out timing from Europe, the Gulf, and North America.

The Leading Zero, Handled Correctly

Tanzanian numbers are written locally with a leading zero, such as 0754 followed by six digits. That zero is the domestic trunk prefix and must be dropped internationally. The correct dial is +255 754 and the remaining digits, never +255 0754.

A full Tanzanian number is nine digits after the country code. If what you were given produces ten digits after +255, the zero is still in there. This one check resolves the majority of failed call reports on the route.

The nine digit rule holds across every number category you are likely to meet, and ordinary geographic and mobile numbers make up nearly everything dialed on this route. When a number looks doubtful, count the digits first and check the prefix second, before you place the call from any country.

Reading the Mobile Prefixes

Tanzanian mobiles begin 06 or 07 domestically, and the next digits identify the operator. Vodacom uses ranges such as 074, 075, and 076, Airtel appears on 068, 069, and 078, Tigo on 065, 067, and 071, and Halotel on 061 and 062.

Knowing the network matters mainly for the person receiving the call, since on-network top-ups and messages differ, but from abroad all mobiles are dialed the same way and per-minute rates on VoIP services generally apply to the whole mobile block.

Tanzania has number portability, so a prefix no longer guarantees the current operator for numbers that have moved. Dialing is unchanged either way, and from abroad portability is invisible: +255 plus the nine digits reaches the line wherever it is now hosted.

City Codes and Zanzibar's Place

Fixed lines use two-digit city codes: Dar es Salaam is 22, Zanzibar is 24, Arusha and the northern safari circuit use 27, and Mwanza on Lake Victoria uses 28. As elsewhere, the local leading zero drops, so a Dar landline dials as +255 22 and seven digits.

Zanzibar is politically semi-autonomous but shares +255 fully. There is no separate country code for the islands, and both Unguja and Pemba numbers, mobile or fixed, dial exactly like mainland ones. One country code serves the whole union, islands and mainland alike.

Timing and Cost from Abroad

Tanzania keeps East Africa Time, UTC+3, all year with no daylight saving. That is two hours ahead of London in summer, three in winter, level with Moscow and one hour behind Dubai. From North America's East Coast the gap is seven to eight hours, so early mornings in New York reach Tanzanian afternoons.

Legacy carrier rates to East Africa run high, which is why browser calling is popular on this corridor. StartACall reaches +255 numbers through WebRTC in any modern browser at pay-as-you-go per-minute rates, with no subscription, no connection fee, and credits that never expire.

Conversation traffic on this corridor peaks in the Tanzanian evening, roughly 7 pm to 10 pm East Africa Time, when mobile owners are home from work. That window falls in the late afternoon for London, around midday for New York, and late evening for Gulf callers.

Frequently asked questions

Why does my call to a 0754 number fail from abroad?+

The leading zero must be removed outside Tanzania. Dial +255 754 and the rest of the digits. Keeping the zero after the country code is the most common dialing error on this route.

Does Zanzibar use the same country code as the mainland?+

Yes. All of Tanzania, including Unguja and Pemba, uses +255. Zanzibar's fixed lines take city code 24, and its mobiles use the same national prefixes as the mainland. No separate island code exists.

Which network does a 075 number belong to?+

The 074, 075, and 076 ranges belong to Vodacom Tanzania. Airtel and Tigo occupy other 06x and 07x ranges, but from abroad all are dialed the same way after +255.

What time should I call Dar es Salaam from London?+

Tanzania is two hours ahead of the UK in summer and three in winter. Calling between 9 am and 6 pm from London lands within Tanzanian business and evening hours comfortably.

How many digits should a Tanzanian number have?+

Nine digits after +255. Written locally with the trunk zero it appears as ten, for example 0754 and six more digits. Drop the zero and count nine before dialing. Count before dialing and the call connects.

Last reviewed June 2026Reviewed by the StartACall calling teamDialing rules cross checked against ITU international dialing procedures
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