011880 and +880 often work interchangeably from cell phones (use also to text Bangladeshi numbers).
Barisal | 431 | Khagrachari | 371 | Pabna | 731 |
Bogra | 51 | Khulna | 41 | Rajshahi | 721 |
Brahmanbaria | 851 | Magura | 488 | Rangpur | 521 |
Chittagong | 31 | Mymensingh | 91 | Sylhet | 821 |
Dhaka | 2 | Narayanganj | 2 | Tangail | 921 |
Dinajpur | 531 | Narsingdi | 628 | ||
Jhalakati | 498 | Noakhali | 321 |