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The Smile Carrier From Tanzania is denoted by codes: 640 11. The followings IDs are called HNI (Home network identity). This code is created by the combination of two other Mobile Country Code (MCC) and Mobile Network Code (MNC). The first three numbers stand for the MCC and they are used in order to identify the region which the carried comes from (in the following example it’s Tanzania). The last numbers of the HNI code are equal with the MNC and this ID is given for the specific mobile network operator.

Besides Smile Tanzania has assigned country code + 255. This number + 255 is equal with international calling code and it’s simply the telephone dialing prefixes used for calling Smile numbers.
Smile uses 2 GSM bands, 0 UMTS bands, 1 and 0 CDMA bands.. You can read the specific frequency bands in the table below. All bands of the Smile are display in MHz units.
Another important information in Smile Tanzania architectures is the standard of used protocols. It also uses 1 protocols such as GSM, UMTS, LTE, CDMA. The ISO standard code of Smile is TZ. You can see more info about this mobile network operator at http://smile.co.tz/. How to check Smile coverage? How to check if your phone will work in Tanzania?

FloppySend About
Name Smile
Company Smile Telecoms Holdings Ltd
Country Tanzania flag Tanzania
Country ISO TZ
Country code + 255
Carrier website http://smile.co.tz/
Carrier codes
  • 640 11
Mobile prefix 66
Size of NSN 9
Number format

+255 66x xxx xxx

Coverage map Check Smile Coverage
GSM bands
  • 900 (E-GSM)
  • 1800 (DCS)
LTE bands
  • B20 (800 DD)
LTE protocols
  • LTE
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