Steady growth in the number of subscribers porting in and out of mobile networks, is putting massive pressure on telecommunications companies in Nigeria, Africa's largest economy by GDP, to step up investments in network expansion initiatives, industry insiders have said. Mobile Number Portability (
```
Members Only

Login or create an account to continue

This article is available to registered BusinessDay readers. Please login if you already have an account, or create a new account to continue reading.

New to BusinessDay? Register now and start reading.

```

Nigeria's leading finance and market intelligence news report. Also home to expert opinion and commentary on politics, sports, lifestyle, and more

Join BusinessDay whatsapp Channel, to stay up to date

Open In Whatsapp