If you want to know the IMEI number of your mobile phone that was using Safaricom line, then follow the procedure below;
If you had not earlier registered on Safaricom Selfcare portal and you are getting this error “We are currently unable to register you on this platform.”, then unfortunately it is impossible to use the website as registration for new users is currently disabled.
Jumia on other hand does not store IMEI numbers of phones.
You will also be lucky to trace the location of your phone using IMEI since thieves these days change IMEI making it difficult to track