The move comes after the company exhausted its use of 0730-0739, 0750-0756, and 0785-0789 prefixes in April this year citing an increase in the number of subscribers.
The company has made it accessible to all subscribers who wish to upgrade to the new number series, by placing them at all Airtel shops across the country.
“You can get your prepaid and postpaid number upgraded to new number series at your nearest Airtel Shop or customer care.” read a twit from Airtel Kenya.
CAK statistics report of the telecommunication sector shows that Airtel’s market share improved a great deal from 11% in the last quarter to 23.4%.
The number of subscribers has also increased to about 11.56 a million subscribers, and the company expects more in the near future.
Airtel Kenya is the second-largest telecommunications services provider in Kenya after Safaricom PLC and has an estimated 19.7% market share in the telecommunication sector.
Airtel Kenya previously operated as Kencell, Celtel, and Zain before rebranding to Airtel in November 2010.