| | | | | | STD Numbers of Uttar Pradesh | |
| | Uttar Pradesh Areas | STD Codes | Lucknow | 0522 | Machlishahar | 05454 | Maharajganj | 05523 | Mahoba | 05281 | Mainpuri | 05672 | Malihabad | 05212 | Mariyahu | 05451 | Math | 05664 | Mathura | 0565 | Mau | 05195 | Maudaha | 05284 | Maunathbhanjan | 05464 | Mauranipur | 05178 | Mawana | 01233 | Meerut | 0121 | Mehraun | 05172 | Meja | 05334 | Mirzapur-I | 05442 | Mirzapur-Ii | 05440 | Misrikh-I | 05865 | Misrikh-Ii | 05861 | Modinagar | 01232 |
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