When contacting City Hall by telephone at 905-356-7521, you can either say the name of the person or the division name that you would like to speak to and the Automated attendant will direct the call. In addition, you can also dial by extension. Listed below are extensions for each division within City Hall.
| Administrator's Office | 5101 | Mayor's Office | 4202 | Building Services | 4350 | |||
| Business Development | 5000 | Clerk's Services | 4272 | Finance | 4306/4313 | |||
| Human Resources | 4317 | Information Systems | 4018 | Legal | 4240 | |||
| Municipal Works | 4211 | Recreation and Culture | 3330 | Planning | 4234 | |||
| Service Centre | 6200 | Transportation Services | 5200 |
The following are offices that have direct phone numbers:
| >> City Hall: 905-356-7521 << | |||||
| Niagara Falls Transit | 905-356-1179 | Fire Services | 905-356-1321 | ||
| Fairview Cemetery | 905-354-4721 | Niagara Falls Arena | 905-358-3808 | ||
| Chippawa Arena | 905-295-6554 | Coronation Recreation Centre | 905-356-6493 | ||
| Municipal Works Service Centre | 905-356-1355 | Lundy's Lane Cemetery* | 905-354-8476 | ||
| Lundy's Lane Museum | 905-358-5082 | F.H. Leslie Pool** | 905-356-6217 | ||
| Prince Charles Pool** | 905-354-8104 | Niagara Falls Lions Club Pool** | 905-358-5385 | ||
| Mitchelson Park Pool** | 905-358-9850 | W.A. (Buck) Hinsberger Pool** | 905-295-7063 | ||
| Niagara Falls Public Library | 905-356-8080 | Niagara Peninsula Energy Inc. | 905-356-2681 | ||
| Stamford / Jack Bell Arena | 905-354-3400 | Willoughby Historical Museum | 905-295-4036 | ||
| * - Available from April to October | ** - Available from June to August | ||||