Fast Facts

American Express -- Travel-service offices are located in the Loop at 55 W. Monroe St. (tel. 312/541-5440) and just north of the Tribune Tower at 605 N. Michigan Ave.

Area Codes -- The 312 area code applies to the Loop and the neighborhoods closest to it, including River North, North Michigan Avenue, and the Gold Coast. The code for the rest of the city is 773. Suburban area codes are 847 (north), 708 (west and southwest), and 630 (far west). You must dial "1" plus the area code for all telephone numbers, even if you are making a call within the same area code.

Automobile Organizations -- Auto clubs will supply maps, suggested routes, guidebooks, accident and bail-bond insurance, and emergency road service. The American Automobile Association (AAA) is the major auto club in the U.S. If you belong to an auto club in your home country, inquire about AAA reciprocity before you leave. You may be able to join AAA even if you're not a member of a reciprocal club; to inquire, call tel. 800/222-4357. AAA is actually an organization of regional auto clubs, so look under "AAA Automobile Club" in the White Pages of the telephone directory. AAA has a nationwide emergency road service telephone number (tel. 800/AAA-HELP).

Babysitters -- Check with the concierge or desk staff at your hotel; they likely maintain a list of reliable sitters who they have worked with in the past. Many of the top hotels work with American ChildCare Service (tel. 312/644-7300; www.americanchildcare.com), a state-licensed and insured babysitting service that can match you with a sitter. The sitters are required to pass background checks, provide multiple child-care references, and be trained in infant and child CPR. It's best to make a reservation 24 hours in advance; the office is open from 9am to 5pm weekdays. Rates are $19 per hour, with a 4-hour minimum, and a $20 agency fee (you're also expected to give the sitter a cash tip).

Business Hours -- Shops generally keep normal business hours, 10am to 6pm Monday through Saturday. Most stores stay open late at least 1 evening a week. Certain businesses, such as bookstores, are almost always open during the evening hours all week. Most shops (other than in the Loop) are now open on Sundays, usually from noon to 5pm. Malls are generally open until 7pm and on Sunday as well. Banking hours in Chicago are normally from 9am (8am in some cases) to 5pm Monday through Friday, with select banks remaining open later on specified afternoons and evenings.

Currency -- The most common bills are the $1 (a "buck"), $5, $10, and $20 denominations. There are also $2 bills (seldom encountered), $50 bills, and $100 bills (the last two are usually not welcome as payment for small purchases).

Coins come in seven denominations: 1¢ (1 cent, or a penny); 5¢ (5 cents, or a nickel); 10¢ (10 cents, or a dime); 25¢ (25 cents, or a quarter); 50¢ (50 cents, or a half dollar); the gold-colored Sacagawea coin, worth $1; and the rare silver dollar.

Customs -- What You Can Bring into the United States Every visitor more than 21 years of age may bring in, free of duty, the following: (1) 1 liter of wine or hard liquor; (2) 200 cigarettes, 100 cigars (but not from Cuba), or 3 pounds of smoking tobacco; and (3) $100 worth of gifts. These exemptions are offered to travelers who spend at least 72 hours in the United States and who have not claimed them within the preceding 6 months. It is altogether forbidden to bring into the country foodstuffs (particularly fruit, cooked meats, and canned goods) and plants (vegetables, seeds, tropical plants, and the like). Foreign tourists may carry in or out up to $10,000 in U.S. or foreign currency with no formalities; larger sums must be declared to U.S. Customs on entering or leaving, which includes filing form CM 4790. For details regarding U.S. Customs and Border Protection, consult your nearest U.S. embassy or consulate, or U.S. Customs (tel. 202/927-1770; www.customs.ustreas.gov).

What You Can Take Home from the United States:

Canadian Citizens: For a clear summary of Canadian rules, write for the booklet I Declare, issued by the Canada Border Services Agency (tel. 800/461-9999 in Canada, or 204/983-3500; www.cbsa-asfc.gc.ca).

U.K. Citizens: For information, contact HM Customs & Excise at tel. 0845/010-9000 (from outside the U.K., 020/8929-0152), or consult their website at www.hmce.gov.uk.

Australian Citizens: A helpful brochure available from Australian consulates or Customs offices is Know Before You Go. For more information, call the Australian Customs Service at tel. 1300/363-263, or log on to www.customs.gov.au.

New Zealand Citizens: Most questions are answered in a free pamphlet available at New Zealand consulates and Customs offices: New Zealand Customs Guide for Travellers, Notice no. 4. For more information, contact New Zealand Customs, The Customhouse, 17-21 Whitmore St., Box 2218, Wellington (tel. 04/473-6099 or 0800/428-786; www.customs.govt.nz).

Dentists -- The referral service of the Chicago Dental Society (tel. 312/836-7300; www.cds.org) can help you find an area dentist; you can also get a referral online through their website. Your hotel concierge or desk staff may also keep a list of dentists.

Doctors -- In the event of a medical emergency, your best bet -- unless you have friends who can recommend a doctor -- is to rely on your hotel physician or go to the nearest hospital emergency room. Northwestern Memorial Hospital also has a Physician Referral Service (tel. 877/926-4664).

Drinking Laws -- The legal age for the purchase and consumption of alcoholic beverages is 21; proof of age is required and often requested at bars, nightclubs, and restaurants, so it's always a good idea to bring ID when you go out. In Chicago, beer, wine, and other alcoholic beverages are sold at liquor stores and supermarkets. Bars may sell alcohol until 2am, although some nightclubs have special licenses that allow alcohol sales until 4am. Do not carry open containers of alcohol in your car or any public area that isn't zoned for alcohol consumption. The police can fine you on the spot. And nothing will ruin your trip faster than getting a citation for DUI (driving under the influence), so don't even think about driving while intoxicated.

Electricity -- Like Canada, the United States uses 110 to 120 volts AC (60 cycles), compared to 220 to 240 volts AC (50 cycles) in most of Europe, Australia, and New Zealand. Downward converters that change 220 to 240 volts to 110 to 120 volts are difficult to find in the United States, so bring one with you.

Embassies & Consulates -- All embassies are located in the nation's capital, Washington, D.C. Some consulates are located in major U.S. cities, and most nations have a mission to the United Nations in New York City. If your country isn't listed below, call for directory information in Washington, D.C. (tel. 202/555-1212), or log on to www.embassy.org/embassies.

The embassy of Australia is at 1601 Massachusetts Ave. NW, Washington, DC 20036 (tel. 202/797-3000; www.austemb.org). There are consulates in New York, Honolulu, Houston, Los Angeles, and San Francisco.

The embassy of Canada is at 501 Pennsylvania Ave. NW, Washington, DC 20001 (tel. 202/682-1740; http://geo.international.gc.ca/can-am/washington). Other Canadian consulates are in Buffalo (New York), Detroit, Los Angeles, New York, and Seattle.

The embassy of Ireland is at 2234 Massachusetts Ave. NW, Washington, DC 20008 (tel. 202/462-3939; www.irelandemb.org). Irish consulates are in Boston, Chicago, New York, San Francisco, and other cities.

The embassy of New Zealand is at 37 Observatory Circle NW, Washington, DC 20008 (tel. 202/328-4800; www.nzemb.org). New Zealand consulates are in Los Angeles, Salt Lake City, San Francisco, and Seattle.

The embassy of the United Kingdom is at 3100 Massachusetts Ave. NW, Washington, DC 20008 (tel. 202/588-7800; www.britainusa.com). Other British consulates are in Atlanta, Boston, Chicago, Cleveland, Houston, Los Angeles, New York, San Francisco, and Seattle.

Emergencies -- For fire or police emergencies, call tel. 911. This is a free call. If it is a medical emergency, a city ambulance will take the patient to the nearest hospital emergency room. The nonemergency phone number for the Chicago Police Department is tel. 311. If you desire a specific, nonpublic ambulance, call Vandenberg Ambulance (tel. 773/521-7777).

Gasoline (Petrol) -- At press time, cost of gasoline (also known as gas, but never petrol), is fluctuating around $3 per gallon in Chicago. Taxes are already included in the printed price. You will pay more within the Chicago city limits than you will in the suburbs (the city adds an extra tax into the price), so if you're planning a day trip, it pays to fill up once you're out of town. One U.S. gallon equals 3.8 liters or .85 imperial gallons. Fill-up locations are known as gas or service stations.

Holidays -- Banks, government offices, post offices, and many stores, restaurants, and museums are closed on the following legal national holidays: January 1 (New Year's Day), the third Monday in January (Martin Luther King, Jr., Day), the third Monday in February (Presidents' Day), the last Monday in May (Memorial Day), July 4 (Independence Day), the first Monday in September (Labor Day), the second Monday in October (Columbus Day), November 11 (Veterans' Day/Armistice Day), the fourth Thursday in November (Thanksgiving Day), and December 25 (Christmas). The Tuesday after the first Monday in November is Election Day, a federal government holiday in presidential-election years (held every 4 years, and next in 2008).

Hospitals -- The best hospital emergency room in downtown Chicago is, by consensus, at Northwestern Memorial Hospital, 251 E. Huron St. (tel. 312/926-2000; www.nmh.org), a state-of-the-art medical center right off North Michigan Avenue. The emergency department (tel. 312/926-5188 or 312/944-2358 for TDD access) is located at 251 E. Erie St., near Fairbanks Court. For an ambulance, dial tel. 911, which is a free call.

Internet Access -- Many Chicago hotels have business centers with computers available for guests' use. Computers with Internet access are also available to the public at the Harold Washington Library Center, 400 S. State St. (tel. 312/747-4300), and at the Internet cafe inside the Apple computer store, 679 N. Michigan Ave. (tel. 312/981-4104). Most Starbucks coffee shops and McDonald's restaurants in downtown Chicago also have wireless Internet access available.

Laundry -- The closest laundromat to downtown is Sudz Coin Laundry, 1246 N. Ashland Ave. (tel. 773/218-9630; www.sudzlaundry.com), about a block north of Division Street. Rates are 90¢ per pound for drop-off service and $2 per wash at self-service machines. It's open daily from 5am to midnight (last wash at 10:30pm). You can also arrange to have your laundry picked up and delivered.

Legal Aid -- If you are "pulled over" for a minor infraction (such as speeding), never attempt to pay the fine directly to a police officer; this could be construed as attempted bribery, a much more serious crime. Pay fines by mail or directly into the hands of the clerk of the court. If accused of a more serious offense, say and do nothing before consulting a lawyer. Here the burden is on the state to prove a person's guilt beyond a reasonable doubt, and everyone has the right to remain silent, whether he or she is suspected of a crime or actually arrested. Once arrested, a person can make one telephone call to a party of his or her choice. International visitors should call your embassy or consulate.

Lost & Found -- Be sure to tell all of your credit card companies the minute you discover your wallet has been lost or stolen, and file a report at the nearest police precinct. Your credit card company or insurer may require a police report number or record of the loss. Most credit card companies have an emergency toll-free number to call if your card is lost or stolen; they may be able to wire you a cash advance immediately or deliver an emergency credit card in a day or two. Visa's U.S. emergency number is tel. 800/847-2911 or 410/581-9994. American Express cardholders and traveler's check holders should call tel. 800/221-7282. MasterCard holders should call tel. 800/307-7309 or 636/722-7111. For other credit cards, call the toll-free number directory at tel. 800/555-1212.

If you need emergency cash over the weekend when all banks and American Express offices are closed, you can have money wired to you via Western Union (tel. 800/325-6000; www.westernunion.com).

Mail -- At press time, domestic postage rates were 26¢ for a postcard and 41¢ for a letter. For international mail, a first-class letter of up to 1 ounce costs 90¢ (69¢ to Canada and Mexico); a first-class postcard costs the same as a letter. For more information, go to www.usps.com, and click on "Calculate Postage."

If you aren't sure what your address will be in the United States, mail can be sent to you, in your name, c/o General Delivery at the main post office of the city or region where you expect to be. (Call tel. 800/275-8777 for information on the nearest post office.) The addressee must pick up mail in person and must produce proof of identity (driver's license, passport, and so on). Most post offices will hold your mail for up to 1 month, and are open Monday to Friday from 8am to 6pm, and Saturday from 9am to 3pm.

Always include zip codes when mailing items in the U.S. If you don't know your zip code, visit www.usps.com/zip4.