<prompt> Translate the following text to SwahiliThe most widely used method is random-digit dialing, in which the first six digits of a telephone number are selected to allow for every region to be well represented, while the remaining four digits are dialed at random.  <response>: Njia inayotumiwa sana ni kupiga simu kwa tarakimu za nasibu, ambapo tarakimu sita za kwanza za nambari ya simu huchaguliwa ili kuruhusu kila mkoa uwakilishwe vizuri, wakati tarakimu nne zilizobaki huchaguliwa kwa nasibu. 