The Customer Relationship Officer,
____________ (Company Name)
____________ (Receiver’s details)

Date: __/__/____ (Date)

____________ (Name)
____________ (Address),
____________ (Sender’s details)

Subject: Deactivation of the mobile number

Dear Sir/Madam,

I am _______ (Name), a resident of _________ (Address) writing this letter in reference to the mobile number _________ (Mobile Number) which issued to me.

I would inform you that I am willing to close the mentioned mobile number/ sim card. The reason behind the same is _______ (Reason – not good service/ not required anymore/ any other). Therefore, I would like to request your deactivation of the sim at the earliest.

I have been using this number for a long time and consider using your services in the coming future. I am hereby attaching the required documents for surrendering my mobile number. In case any query arises, you may contact me at my alternate mobile number mentioned below.

Looking forward to your kind and quick response at the earliest. I shall be highly obliged.

Yours Truly,
__________ (Signature),
__________ (Name),
__________ (Alternate Contact Number)

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