How To Check If Your SIM Card Is Registered - MTN, GLO, Etisalat ,Airtel

These are steps to follow to check if your MTN, Glo,Etisalat, or Airtel SIM card has been enlisted authoritatively by your Network.
I'm just Gonna be straight,Don't wanna tell you any story about how I got this...
If you are the type that your network do send a message from time to time to remind you to register your SIM card,then this article is for you..
Now straight to the topic-:

How To Check If Your MTN Is Registered
Send REG as a message to 789. After sending the text to 789 with your MTN SIM, you will get a reply confirming that you have been registered if it was actually registered, If your sim have been registered, you will get a service message saying:
2347069633251 has been registered. Thank you!
Note-2347069633251 is your phone number!

How To Check If Your Glo SIM Is Registered
Send REG as a message to 3456. If your line has been registered, you'll receive a message that looks like the one below:
Your SIMCARD +23480XXXXXXX has been registered. Thank You!
Don't forget +23480XXXXXXX is your phone number!

How To Check If Your Etisalat SIM Has Been Registered
For Etisalat, you can verify your SIM card registration status by calling 200 or sending an email to care@ etisalat.com.ng
Simple right?yes!


How To Check If Your Airtel SIM card Has Been Registered
The only way to check if your Airtel SIM card has been registered as at the time of writing this post is by calling customare care- 111 on your phone or by sending an email to customercare@ng.airtel.com

Enjoy!!!
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