Note: Dial ‘0’ or +91 before the given STD code
| City | Area/Town | STD Code |
| ASANSOL | KALNA | 3454 |
| ASANSOL | KATWA | 3453 |
| ASANSOL | GUSKARA | 3452 |
| ASANSOL | SEHARABAZAR | 3451 |
| ASANSOL | DURGAPUR | 343 |
| ASANSOL | BURDWAN | 342 |
| ASANSOL | ASANSOL | 341 |
| BALURGHAT (RAIGANJ) | ISLAMPUR (ND) | 3526 |
| BALURGHAT (RAIGANJ) | DALKHOLA | 3525 |
| BALURGHAT (RAIGANJ) | HARIRAMPUR | 3524 |
| BALURGHAT (RAIGANJ) | RAIGANJ | 3523 |
| BALURGHAT (RAIGANJ) | BALURGHAT | 3522 |
| BALURGHAT (RAIGANJ) | GANGARAMPUR | 3521 |
| BANKURA | BISHNUPUR | 3244 |
| BANKURA | KHATRA | 3243 |
| BANKURA | BANKURA | 3242 |
| BANKURA | GANGAJALGHATI | 3241 |
| BERHAMPUR | DHULIYAN | 3485 |
| BERHAMPUR | KANDI | 3484 |
| BERHAMPUR | MURSHIDABAD (JIAGANJ) | 3483 |
| BERHAMPUR | BERHAMPUR | 3482 |
| BERHAMPUR | ISLAMPUR (M) | 3481 |
| COOCHBEHAR | MEKHLIGANJ | 3584 |
| COOCHBEHAR | MATHABHANGA | 3583 |
| COOCHBEHAR | COOCHBEHAR | 3582 |
| COOCHBEHAR | DINHATA | 3581 |
| DARJEELING (SILIGURI) | KALIMPONG | 3552 |
| DARJEELING (SILIGURI) | DARJEELING | 354 |
| DARJEELING (SILIGURI) | SILIGURI | 353 |
| GANGTOK | GAUZING (NAYABAZAR) | 3595 |
| GANGTOK | GANGTOK | 3592 |
| JALPAIGURI | KALCHINI | 3566 |
| JALPAIGURI | NAGARAKATA | 3565 |
| JALPAIGURI | ALIPURDUAR | 3564 |
| JALPAIGURI | BIRPARA | 3563 |
| JALPAIGURI | MAL BAZAR | 3562 |
| JALPAIGURI | JALPAIGURI | 3561 |
| KOLKATA | CANNING | 3218 |
| KOLKATA | BASIRHAT | 3217 |
| KOLKATA | HABRA | 3216 |
| KOLKATA | BONGOAN | 3215 |
| KOLKATA | JAGATBALLAVPUR | 3214 |
| KOLKATA | DHANIAKHALI | 3213 |
| KOLKATA | CHAMPADANGA | 3212 |
| KOLKATA | ARAMBAG | 3211 |
| KOLKATA | KAKDWIP | 3210 |
| KOLKATA | DIAMOND HARBOUR | 3174 |
| KOLKATA | KOLKATA | 33 |
| KRISHNANAGAR | BETHUADAHARI | 3474 |
| KRISHNANAGAR | RANAGHAT | 3473 |
| KRISHNANAGAR | KRISHNA NAGAR | 3472 |
| KRISHNANAGAR | KARIMPUR | 3471 |
| MALDA | HARISHCHANDRAPUR | 3513 |
| MALDA | MALDA | 3512 |
| MALDA | BUBULCHANDI | 3511 |
| MIDNAPUR (KHARAGPUR) | DANTAN | 3229 |
| MIDNAPUR (KHARAGPUR) | TAMLUK | 3228 |
| MIDNAPUR (KHARAGPUR) | AMLAGORA | 3227 |
| MIDNAPUR (KHARAGPUR) | GHATAL | 3225 |
| MIDNAPUR (KHARAGPUR) | HALDIA | 3224 |
| MIDNAPUR (KHARAGPUR) | NAYAGARH (KULTIKRI) | 3223 |
| MIDNAPUR (KHARAGPUR) | KHARAGPUR | 3222 |
| MIDNAPUR (KHARAGPUR) | JHARGRAM | 3221 |
| MIDNAPUR (KHARAGPUR) | CONTAI | 3220 |
| PURULIA | JHALDA | 3254 |
| PURULIA | MANBAZAR | 3253 |
| PURULIA | PURULIA | 3252 |
| PURULIA | ADRA | 3251 |
| SURI | NALHATI | 3465 |
| SURI | BOLPUR | 3463 |
| SURI | SURI | 3462 |
| SURI | RAMPUR HAT | 3461 |