Customer care numbers, basic information and their network prefixes.
Here are the basic information on the major networks in naija, whenever you encounter any challenge using any of them, you can use their customer care number to contact them, this info is useful for starters and old customers, they are as follows;
To check your balance dial *123*
To load recharge card dial *126*the card pin numbers#
Message center numbers +2348020000009
AIRTEL NG Phone prefixes: 0701,0812,0708,0802,0808,0902,0907.
Customer care: 200
To check your balance dial *232#
To recharge dial *222*the pin numbers#
Message Center number + 2348090001518
ETISALAT NG Phone prefixes: 0809,0817,0818,0909,0908.
GLO NIGERIACustomer care: 121
To check your balance dial *124#
To recharge dial *126*the card pin numbers#
Information menu: dial 124
Message center number: +2348050001501
Glo NG Phone prefixes: 0805, 0705, 0807,0811,0815,0905.
MTN NIGERIACustomer care: 180, 181.
To check your balance dial *556#
To recharge dial *555*recharge card pin number#
Message centre number: +234803000000
MTN NG Phone prefixes: 0803,0703,0810,0806,0706,0813,0814,0903,0906,0816.
Other network phone prefixes:
Starcomms: 0819,07028, 07029.
Note: Nigeria implemented Mobile Number Portability in 2013, so the number prefix cannot be reliably used to determine operator anymore because if someone ports from one network to another the person will use that same number on another network.