Airtel Codes and their Meanings | Uses

Ever heard of the Airtel codes? Not necessary cheat codes but they're still very useful and can easily come in handy. I'll be sharing a bunch of them today and what they can be used for. 

There are some helpful AIRTEL Nigeria Network and their SECRET CODES you don't know but might be in need to fix one or two things but i have compelled all the List Of All New AIRTEL Network SECRET CODES that might be helpful to you and they are as follows:
=> Send MRP FULLTT to 51619
for available full talktime offers...

=> Send MRP TRF to 51619 for
available tariff offers...
=> Send MRP SMS to 51619 for
available sms packs...
=> Send MRP GPRS to 51619
for available gprs packs...
=> Send 3G to 121 for
activating 3g or change 3g data
plan...
=> Send START to 121/1210 to
start any service. IMP
=> Send STOP to 121/1210 to
stop any service.IMP
=> Dial *555# for daily and
monthly sms packs.
=> Dial *222# for sepcial five
offers.
=> Dial *141# for airtel gift
service.
=> Dial *325# for facebook
font wish service.
=> Dial *121# for my airtel
my offers.
=> Send FUN to 54321 to
activateairtel live (not working
on new sims
now).
=> Send LIVE to 52567 for
airtel live settings.
=> Dial *123*7# or *123*10#
for checking gprs data balance.
=> Dial *125*5# for daily sms
count.
=> Dial *123# for balance n
validity.
=> Dial *567# for mobile
office activation and
deactivation.
=> Dial 121 to call CC 21) Dial 198
to lodge any type
of complaints.
=> Dial 123 for recharging your
account.
=> Dial *566# for must buy
service.
=> Dial 198p2p1p4p2 for
direct call to customer care.
=> Call 1909 to activate or
deactivate DND service.
=> Dial *515# for twitter
service.
=> Dial *123*11# for checking
3g data balance.