O'Fallon Phone Directory Lookup

The O'Fallon phone directory lists contact numbers for all city government departments in this growing St. Clair County community. O'Fallon has a population of about 32,262 and sits in the Metro East region of southern Illinois, just across the river from St. Louis. City Hall on Lincoln Avenue is the main hub for government services, and the central phone line can connect you to any department. This page puts together the key numbers, addresses, and office details so you can find the right contact fast. Use the search tool or browse the sections below.

O'Fallon City Hall Phone Directory

O'Fallon City Hall is at 255 S Lincoln Avenue, O'Fallon, IL 62269. The main phone number is 618-624-4500. The fax line is 618-624-4508. This building houses most city departments, and the front desk can transfer your call to any office. Hours are Monday through Friday during normal business hours. Walk-ins are welcome for most services, but calling ahead can save you time if you just need a quick answer or a form.

The City of O'Fallon website is the main online portal for all city services and department contacts.

The site links to every department page and provides phone numbers, email addresses, and online service tools.

The administration office handles general city operations. You can reach them at 618-624-4500, the same main number. If you are not sure which office deals with your issue, start here. The front desk staff are used to fielding all kinds of calls and can point you in the right direction. O'Fallon keeps most of its offices under one roof, which makes routing calls simpler than in bigger cities where departments are scattered across town.

The city also maintains an online directory that shows each department and its contact info.

That directory page is a quick way to find a direct line if you already know which office you need.

O'Fallon City Clerk Office

The O'Fallon City Clerk answers at 618-624-4500 ext. 8715. The clerk's office handles official city records, meeting minutes, ordinances, and public document requests. If you need a copy of any city record or want to know where a particular document is filed, this is the office to contact. The clerk also manages things like business licenses and liquor licenses for the city.

The city clerk's page on the O'Fallon website has more details about services and available forms.

You can find application forms, meeting schedules, and links to city ordinances on that page.

Under the Illinois Local Records Act (50 ILCS 205), the city must keep and preserve all public records. That includes phone directories, staff contact lists, and department organizational charts. The clerk's office is responsible for making sure these records are maintained and available to the public on request. Old directories and archived contact sheets should all be on file through this office.

Note: When calling the clerk's office, dial the main number first and then enter extension 8715 when prompted.

Police Phone Numbers for O'Fallon

The O'Fallon Police Department non-emergency line is 618-624-4545. Always call 911 for real emergencies. The non-emergency number connects you to the police front desk, where staff can help with reports, general questions, and requests for service that do not need an immediate response. Noise complaints, past-incident reports, and parking issues all go through this line.

The police department is active in the community and handles a range of calls beyond just crime. Animal control, traffic concerns, and welfare checks all come through the non-emergency desk. If you are not sure whether something warrants a 911 call, use the non-emergency line and the dispatcher will escalate it if needed. Response times on the non-emergency line are generally quick during normal hours.

Under 5 ILCS 140, the Illinois Freedom of Information Act, you can request phone directories and staff lists from the O'Fallon Police Department. The city processes these requests through the city clerk's office. Most routine requests get a response within five business days. Some law enforcement records have exemptions, but general contact directories are usually provided without issue.

FOIA and Public Records in O'Fallon

The Illinois Freedom of Information Act (5 ILCS 140) gives you the right to request public records from the City of O'Fallon. Phone directories, staff lists, department budgets, meeting minutes, and contracts are all available through a FOIA request. The city must respond within five business days. If the request is large or involves many records, the city can extend its response time by up to five additional days with written notice.

To file a request, contact the city clerk at 618-624-4500 ext. 8715. You can submit your request in writing by mail, by hand delivery to City Hall at 255 S Lincoln Avenue, or by email. The clerk's office will review your request and either provide the records or explain any applicable exemptions. Most routine requests for things like phone lists and contact info get filled quickly.

The administration page on the city site has more detail about how to submit records requests.

That page covers the administration office's role in managing city records and public information.

Note: Written requests create a paper trail, which makes it easier to follow up if you do not hear back within the five-day window.

O'Fallon City Services Directory

O'Fallon runs several departments that handle day-to-day services for residents. Public Works takes care of streets, drainage, water, and sewer. Community Development covers building permits, zoning, and code enforcement. Parks and Recreation manages the city's park system and programs. All of these departments can be reached through the main City Hall number at 618-624-4500.

For water and sewer billing questions, the utility office at City Hall can help. They handle new accounts, billing disputes, and payment processing. You can call the main number and ask for the utility department, or visit City Hall in person during business hours. Payments can also be made online through the city website.

The Illinois state government portal can help with state-level services that fall outside the city's scope.

For things like driver services, vital records, and state agency contacts, the state website is the place to start.

O'Fallon also has a strong volunteer and community programs division that coordinates events and outreach. While not a government department in the traditional sense, this office fields a lot of calls from residents looking to get involved. The main number can connect you to the right person if you are interested in volunteering or learning about upcoming city events.

Using the O'Fallon Phone Directory

Getting through to the right office in O'Fallon is usually straightforward. The main number at 618-624-4500 handles most calls. If you know the extension you need, you can dial it directly after the main number picks up. For the city clerk, that extension is 8715. Otherwise, the front desk will transfer you.

Here are some quick tips for calling O'Fallon city offices:

• Call 618-624-4500 for any city department
• Use ext. 8715 for the city clerk
• Dial 618-624-4545 for police non-emergency
• Always call 911 for emergencies
• Visit City Hall at 255 S Lincoln Avenue for in-person help

The state also keeps a list of FOIA contacts across Illinois public bodies, which can be helpful if you need to reach a different agency.

That list covers state agencies, counties, and municipalities across the state.

If you need something the city does not handle, like county records or court filings, those go through St. Clair County offices. The city staff at the front desk can usually give you the county number if you are not sure where to call. Many O'Fallon residents need both city and county contacts at different times, so having both sets of numbers is helpful.

Nearby Cities Phone Directory

O'Fallon sits in the Metro East area near several other communities. Belleville, the St. Clair County seat, is just a few miles south. Other nearby towns include Shiloh, Fairview Heights, and Swansea. While these smaller communities do not have dedicated phone directory pages on this site, you can find their contact info through the St. Clair County page or through a direct web search for their city hall numbers.

St. Clair County Phone Directory

O'Fallon is in St. Clair County. County-level offices handle things like property tax assessments, vital records, and court filings. If your question involves county government rather than city government, use the St. Clair County phone directory page for the right contact info. The county courthouse in Belleville is where most county business takes place, and their offices cover everything from the circuit clerk to the county assessor. Many O'Fallon residents interact with county offices for things the city does not handle.