The SierraTel carrier from Sierra Leone is denoted by codes: 619 06. 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 Sierra Leone). The last numbers of the HNI code are equal with the MNC and this ID is given for the specific mobile network operator.
Besides SierraTel Sierra Leone has assigned country code + 232. This number + 232 is equal with international calling code and it’s simply the telephone dialing prefixes used for calling SierraTel numbers.
SierraTel uses 0 GSM bands, 0 UMTS bands, 0 and 1 CDMA bands.. You can read the specific frequency bands in the table below. All bands of the SierraTel are display in MHz units.
Another important information in SierraTel Sierra Leone architectures is the standard of used protocols. It also uses 2 protocols such as GSM, UMTS, LTE, CDMA.
The ISO standard code of SierraTel is SL. You can see more info about this mobile network operator at https://www.sierratel.com/. How to check SierraTel coverage? How to check if your phone will work in Sierra Leone? Those information will help you figure out if your device will work in the SierraTel roaming. Use out database and check out if your device will be locked or unlocked in SierraTel.
Use our CARRIER LOOKUP TOOL in order to make sure that your phone number is using SierraTel network.
If you'd like to find out whether your device is going to work with SierraTel (Sierra Leone), please check the details below:
All you need to do is compare bands specification from your mobile network with the bands used in your device. You can check the supported bands for your phone by using out phone database.
| Name | SierraTel |
|---|---|
| Company | Sierra Leone Telephony |
| Country |  Sierra Leone |
| Country ISO | SL |
| Country code | + 232 |
| Carrier website | https://www.sierratel.com/ |
| Carrier codes |
|
| Mobile prefix | 25, 21 |
| Size of NSN | 8 |
| Number format | +232 25x xxx xx +232 21x xxx xx |
| Coverage map | Unknown |
| LTE protocols |
|
| CDMA bands |
|
| CDMA protocols |
|
CHECK IMEI 
