Tanzania is +255
A local writes 0712 345 678 — the dialer below turns that into what you press.
Two quirks: the international exit code is 000 rather than 00, and shortcuts 005 and 006 still reach Kenya and Uganda directly — a relic of the East African shared plan that lasted until 1999. The zero is a trunk digit, so 0712 345 678 is +255 712 345 678. Vodacom, Airtel, Tigo and Halotel crowd the 06x and 07x ranges.
Ten digits with the trunk zero: mobiles start 06 or 07, Dar es Salaam landlines with 022.
You dial
011 255 712345678
011 exits United States · 255 reaches Tanzania · the leading 0 stays home. From any mobile, +255 712345678 works worldwide.
Type the number the way a local writes it — the arithmetic is derived from each country's ITU plan.
Plan facts verified against ITU-T E.164 assigned country codes · Telephone numbers in Tanzania — Wikipedia. Prose is our own.
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