What Is CPIN?

Are you curious to know what is CPIN? You have come to the right place as I am going to tell you everything about CPIN in a very simple explanation. Without further discussion let’s begin to know what is CPIN?

What Is CPIN?

In the realm of telecommunications and mobile services, various terms and acronyms are used to facilitate smooth operations and seamless customer experiences. One such term is CPIN, which plays a crucial role in the process of mobile number portability (MNP). In this blog post, we will delve into what CPIN stands for, its significance in MNP, and how it facilitates the switching of mobile service providers while retaining the same phone number.

Understanding CPIN In Mobile Number Portability

CPIN, short for Customer Porting Identification Number, is a unique identification number assigned to a mobile subscriber during the process of mobile number portability. Mobile number portability enables customers to switch from one mobile service provider to another without changing their phone number, allowing for greater flexibility and competition in the telecommunications industry.

The Significance Of CPIN In Mobile Number Portability

  1. Identifying Porting Requests: CPIN serves as a unique identifier for each porting request made by a mobile subscriber. When a customer initiates the porting process to switch from their current service provider to a new one, a CPIN is generated and assigned to that specific porting request.
  2. Ensuring Smooth Porting Process: CPIN helps in ensuring the smooth and accurate execution of the porting process. It allows the various entities involved, such as the customer’s current service provider, the recipient service provider, and the telecommunications authorities, to track and authenticate the porting request throughout the process.
  3. Preventing Unauthorized Porting: CPIN adds a layer of security by validating the porting request and ensuring that the switching of service providers is authorized by the customer. It helps in preventing unauthorized porting and unauthorized use of mobile numbers.

The Role Of CPIN In Mobile Number Portability Process

  1. Customer Initiates Porting Request: The customer expresses their intent to switch service providers while retaining their phone number and provides the necessary information to the new service provider.
  2. CPIN Generation: Once the porting request is initiated, the recipient service provider generates a unique CPIN for that particular request. This CPIN is communicated to the customer.
  3. Authentication And Verification: The current service provider receives the porting request and verifies the authenticity of the request, including validating the CPIN provided by the customer.
  4. Approval And Execution: Upon successful verification and authentication, the porting request is approved, and the necessary arrangements are made to transfer the mobile number to the recipient service provider.
  5. Completion Of Porting Process: Once the porting process is completed, the customer’s mobile number is transferred to the new service provider, allowing them to continue using the same phone number with their new service provider.


CPIN, or Customer Porting Identification Number, plays a crucial role in the process of mobile number portability, enabling customers to switch service providers while retaining their phone numbers. It serves as a unique identifier for each porting request, ensuring smooth execution and providing a layer of security to prevent unauthorized porting. By understanding the significance of CPIN in mobile number portability, customers can navigate the switching process with confidence, enjoying the benefits of increased competition and improved telecommunications services.


How Do I Find My CPIN Number?

How can I get a CPIN ? You have to login on GSTN portal and fill the particulars of the challan online and thus the challan is generated on GSTN portal will provide a unique 14 digit ID (CPIN). How can I pay online? After generating challan on GSTN portal, opt for e-payment mode.

What Is The CPIN Of Gst?

What is CPIN in GST? CPIN stands for “Common Portal Identification Number”. This is a 14 digit number which is auto-generated at the time of challan creation. i.e., once you submit GSTR-3B and proceed to pay (In case of tax payable), a challan is generated and along with it, CPIN is also generated.

What Is The Validity Of CPIN?

As stated in para 15 above, though the CPIN is valid for a period of 7 days, the same would remain live with RBI for a period of 30 days. Thus RBI can accept the payment during the said period of 30 days. In case payment is received after the expiry of 30 days, RBI would refund the said amount to the remitter bank.

How Can I Check My Gst Payment Without CPIN?

Note: If you do not have the CPIN handy, you can log in to your GST account to check the status of your GST payment. Step 4: View the payment status. If the status shown is Failed/Not Paid – Click on ‘View Challan’ and make the payment after entering the relevant information.


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