Mobile Number Portability is a facility that helps the customers to retain their number and switch to other network . This facility came into effect in pan-india basis as on 20th January 2011.
According to reports submitted by the service providers at end of February 2011 about 38.33 lakh subscribers have submitted their requests to different service providers for porting their mobile number. Out of these requests around 3.20 lakh pertains to Haryana where in MNP was implemented from 25th Nov. 2010.
In rest of the country, in MNP Zone-I Northern & Western India maximum number of requests have been received in Gujarat 3.65 lakh followed by Rajasthan 3.14 lakh whereas in MNP Zone-II Southern &Eastern India maximum number of requests have been received in Karnataka 3.18 lakh followed by Tamil Nadu Service area 2.76 lakh.
The status of MNP requests in various service areas is given below:
Service Area Wise MNP Status(as on 28th February 2011)
Zone -1
| LSA | Number of Porting Requests |
| Delhi | 173437 |
| Gujarat | 364849 |
| Himachal Pradesh | 20242 |
| Haryana | 319850 |
| Jammu & Kashmir | 1291 |
| Maharashtra | 262110 |
| Mumbai | 136067 |
| Punjab | 194167 |
| Rajasthan | 313725 |
| Uttar Pradesh – East | 177368 |
| Uttar Pradesh – West | 227752 |
| Total | 2190858 |
Zone 2
| LSA | Number of Porting Requests |
| Andhra Pradesh | 229034 |
| Assam | 8308 |
| Bihar | 83,030 |
| Karnataka | 318,092 |
| Kerala | 123,812 |
| Kolkata | 96,382 |
| Madhya Pradesh | 235,039 |
| North East | 1,863 |
| Orissa | 56,989 |
| Tamilnadu | 276,950 |
| West Bengal | 212,681 |
| Total | 1,642,180 |
TRAI is constantly monitoring the implementation of MNP in the country. It is observed that the primary reasons for rejection of port request are Incorrect Unique Porting Code, Non-completion of 90 days, existing Contractual Obligations and Outstanding Dues.
In view of the large number of rejections and complaints, TRAI is in the process of verifying the correctness of the port rejections done by the service providers on sample basis.