How to Port Your Mobile Number to Another Telecom Network?

Telecom Regulatory Authority of India allows mobile phone users to change their existing network service provider to another network using Mobile Number Portability Service (MNP). But the question is How to Port Your Mobile Number to Another Telecom Network? 

So, if you want to change your existing mobile phone network into other telecom operator without changing your number, then here is Step By Step procedure and MNP USSD Codes for you to follow.

How to Port Your Mobile Number to Another Telecom Network?

Before initializing your existing mobile number, go through below provided steps on how to Port Your Mobile Number to Another Telecom Network that will help you to change your mobile operator:

# 1 Choose the Service Provider You Are Interested In!

First and foremost step in changing your existing Mobile Number to Another Telecom Network is to choose the mobile network you wish to port your number to. Below provided are some best telecom operators, you can switch to:

  • Airtel
  • Tata Docomo
  • Vodafone Idea
  • Reliance
  • BSNL

# 2 Obtain Customer Acquisition Form (CAF)

After that, obtain a Customer Acquisition Form (CAF) and fill it with required details.

# 3 Send SMS To 1900

After finalising your mobile operator and filling CAF, send an SMS “PORT” after giving space and type your Mobile Number and send it to 1900.

PORT space <Your Mobile Number> 

For Example: SMS PORT 9997856440 to 1900


# 3 Send UPC Code to 1901

After sending the porting message to 1900, you will receive an 8-Digit UPC (Unique Porting Code) that you will be required to fill in the Customer Acquisition Form (CAF).

# 4 Submit Required Documents

If you are a post-paid subscriber, then you need to submit a paid copy of the last bill issued along with Customer Acquisition and Porting Form. Finally, obtain new SIM Card.

# 5 Wait till the Processing Time

Within 07 days (15th working day in case of Jammu & Kashmir, Assam and North East service areas) your new SIM will be activated.

# 6 Insert Your New SIM

Finally, insert your new SIM Card to your phone and enjoy the new network service.

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Eligibility For Porting Mobile Number

  • As per Telecom Regulatory Authority of India (TRAI), users are allowed to switch from one mobile network to other service provider.
  • This can be done only after 90 days from the activation date of that mobile connection or from the date of porting of the mobile number.
  • Users can change the telecom operator only within the same service area.
  • Post-Paid users need to certify that, they have paid all the dues, as for MNP subscriber have to sign an undertaking in the Porting Form.
  • Pre-Paid users, please note that the balance amount of talk time, if any, at the time of porting will lapse.


Also Check: How to Know Best Offers on Your Number

Charges for Mobile Number Portability (MNP)

Subscribers have to pay an amount of Rs.4/- for porting the existing mobile number to other.


Users can easily port their existing mobile number to other mobile operator by dialling USSD Codes as per the service provider you want to switch for. Below given are some links of MNP USSD Codes:

Commonly Asked Questions Related to Mobile Number Portability

Ques 1: Is there any limit to port existing mobile number?

Ans: Users can port their number once every 30 days.

Ques 2: How much time it will take to port a mobile number to other network?

Ans: Generally, it takes 10 minutes to 24 hours for porting your existing service provider to other network. Porting time also depends upon the network you choose for. However, porting landlines and porting multiple lines can take up to 10 days.

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Ques 3: What is the process of Mobile Number Portability (MNP)?


  • SMS PORT space <Your Mobile Number> to 1900
  • Obtain UPC and fill it in Customer Acquisition Form (CAF)
  • Submit required documents.
  • Enjoy new telecom service within 7 days.

Ques 4: Is it possible to port my mobile number to another state? If yes, then How?

Ans: Yes, it is possible to port your mobile number into another state. For this, follow below given instructions:

  • Firstly, SMS, ‘Port (your mobile no)’ to 1900 and obtain 8-digit UPC code
  • Afterwards, fill the form and attach required credentials.
  • Choose a rate plan and contact any operator by dialling toll free number for availing full MNP.
  • Finally, pay porting charges.

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Ques 5: Is it possible to withdraw porting request?

Ans: Yes, it is possible to withdraw the porting request by informing your new network provider within 24 hours of making a request for porting.

One important thing that subscribers need to know before porting their existing number to new telecom operator is that there are three possible ways through which you can easily port your network, i.e.,

  • You can change any post-paid to another prepaid
  • Any Prepaid to another post-paid
  • Same network prepaid to post-paid (except Airtel)

Users who are using CDMA numbers can also switch from their existing network to to GSM operator. However, porting landline number to a mobile service provider is not possible in India. This service is operating in county like US.  

If you need any further explanation on the procedure of “How to Port Your Mobile Number to Another Telecom Network?” or have any queries please write your problem below provided in comment box. We would surely look into your problem.

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