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3 (Three) logo

The 3 (Three) Carrier From Italy is denoted by codes: 222 37, 222 99. 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 Italy). The last numbers of the HNI code are equal with the MNC and this ID is given for the specific mobile network operator.

Besides 3 (Three) Italy has assigned country code + 39. This number + 39 is equal with international calling code and it’s simply the telephone dialing prefixes used for calling 3 (Three) numbers.
3 (Three) uses 2 GSM bands, 2 UMTS bands, 4 and 0 CDMA bands.. You can read the specific frequency bands in the table below. All bands of the 3 (Three) are display in MHz units.
Another important information in 3 (Three) Italy architectures is the standard of used protocols. It also uses 7 protocols such as GSM, UMTS, LTE, CDMA. The ISO standard code of 3 (Three) is IT. You can see more info about this mobile network operator at http://www.tre.it/. How to check 3 (Three) coverage? How to check if your phone will work in Italy?

FloppySend About
Name 3 (Three)
Company Wind Tre
Country Italy flag Italy
Country ISO IT
Country code + 39
Carrier website http://www.tre.it/
Carrier codes
  • 222 37
  • 222 99
Mobile prefix 390, 391, 392, 393, 397
Mobile prefix comment Size of NSN: 9 or 10 digits.
Size of NSN 10
Number format

+39 390 xxx xxxx

+39 391 xxx xxxx

+39 392 xxx xxxx

+39 393 xxx xxxx

+39 397 xxx xxxx

Coverage map Check 3 (Three) Coverage
Comment Users can switch carriers and keep their cell phone numbers (so prefixes are not strictly assigned to a specific carrier).
GSM bands
  • 900 (E-GSM)
  • 1800 (DCS)
GSM protocols
  • EDGE
  • GPRS
UMTS bands
  • B1 (2100)
  • B8 (900 GSM)
UMTS protocols
  • HSPA+
  • UTMS
LTE bands
  • B3 (1800+)
  • B4 (1700/2100 AWS 1)
  • B7 (2600)
  • B20 (800 DD)
LTE protocols
  • LTE
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