1, look at the heating permit. You can open the heating permit, and the number position on the first page is the heating number charging code. Or when you go to the heating company to pay, the payment receipt will also have the specific payment account number and charging code of each household, under the name of the head of household.
2. Telephone inquiry. If you don't know the telephone number of the heating company, you can consult your own property or neighborhood Committee. Then call the local heating company to consult the charging standard.
3. Online inquiry. Heating companies have their own official WeChat account, so you can pay attention to the official WeChat account for consultation. Click the heating payment option in the menu bar, click more card binding methods on the page of binding heating cards, and enter the residential building number and detailed home address to query the heating number and charging code.