The 219 area code serves northwest Indiana, the corner of the state that sits within the Chicago metropolitan area. Created in 1948, 219 covers the industrial cities along Lake Michigan and the surrounding Lake, Porter, and LaPorte counties.
Quick Summary of the 219 Area Code
| Area Code | 219 |
| State | Indiana (IN) |
| Region | Northwest Indiana (Gary & the Chicago Metro) |
| Major Cities | Gary, Hammond, East Chicago, Merrillville, Valparaiso, Michigan City, Portage, Crown Point |
| Time Zone | Central Time (CT) – CST / CDT |
| Dialing Format | 7 or 10-digit dialing |
Geographic Coverage
The 219 area code covers the northwestern tip of Indiana along the shore of Lake Michigan, including the industrial cities of Gary, Hammond, East Chicago, and Portage, the suburban communities of Merrillville, Crown Point, and Valparaiso, and Michigan City to the east. Bordering Illinois and the Chicago metro, this region is unique in Indiana for observing Central Time.
Time Zone
The 219 area code observes Central Time (CT). Clocks follow Central Standard Time (UTC−6) in winter and shift to Central Daylight Time (UTC−5) from mid-March through early November. Although most of Indiana is on Eastern Time, the northwest corner around Gary and Hammond – part of the Chicago metropolitan area – sits in the Central Time Zone. From the West Coast, this area is two hours ahead of Pacific Time, so a 9:00 AM call in California reaches a 219 number at 11:00 AM local time.
Tip: Business hours across the 219 region generally run 9:00 AM to 5:00 PM local time, Monday through Friday.
How to Dial a 219 Number
Area code 219 is not part of an overlay, so it has traditionally allowed 7-digit local dialing. However, 10-digit dialing is now the recommended nationwide standard, and dialing the full 10-digit number (219 + the line number) always works reliably. For international callers, dial your country’s exit code, then +1 (the North American country code), then 219, followed by the seven-digit local number.
Scam Alerts for the 219 Area Code
Like every U.S. area code, 219 has been used by scammers who spoof local numbers to appear trustworthy. Residents in Gary, Hammond, East Chicago, Merrillville, Valparaiso, Michigan City, Portage, Crown Point should stay alert to the following common tactics:
| Scam Type | What to Watch For |
|---|---|
| IRS / Tax Scams | Callers impersonating the IRS and threatening arrest over supposed unpaid taxes. |
| Utility Shut-off | Fake NIPSCO callers demanding instant payment to keep your power on. |
| Casino / Prize Scam | Calls claiming you won a jackpot but must pay a “processing fee” to collect. |
| Bank Fraud Alerts | Robocalls impersonating your bank about “suspicious activity” to phish account details. |
If you receive a suspicious call from a 219 number, take these steps to protect yourself:
- Do not share personal information such as Social Security numbers, bank details, or passwords over the phone.
- Hang up and verify by calling the organization back using an official number from its website.
- Report the call to the FTC at reportfraud.ftc.gov and to the Indiana Attorney General’s Office.
- Block the number and consider registering with the National Do Not Call Registry.
Red Flag: Legitimate agencies such as the IRS, Social Security Administration, or your local utility company (AES Indiana, Duke Energy, or NIPSCO) will never demand immediate payment by gift card, wire transfer, or cryptocurrency. Any 219 caller making such a demand is a scammer.
History and Economy of the 219 Region
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Area code 219 was created in 1948 and once covered the entire northern third of Indiana before the 260 (Fort Wayne) and 574 (South Bend) codes were split off in 2002, leaving 219 focused on the northwest corner. The regional economy has long been built on heavy industry – the lakefront is home to some of the largest steel mills in the United States, including major operations in Gary and Burns Harbor. As part of the Chicago metropolitan area, the region also supports logistics, the Port of Indiana on Lake Michigan, riverboat casinos, and tourism centered on the Indiana Dunes National Park.
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Looking Up a 219 Number
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To identify a 219 caller, use a reverse phone lookup or search the full 10-digit number online. Northwest Indiana businesses, government offices, and industrial employers publish their 219 numbers widely, so a legitimate caller is often easy to confirm with a quick search. For unknown numbers, let the call go to voicemail – genuine callers usually leave a message.
Nearby & Related Area Codes
Indiana is served by several area codes. If you are researching 219, these neighboring and overlay codes are worth knowing:
- 574 – North Central / South Bend
- 260 – Northeast / Fort Wayne
- 317 – Indianapolis
- 463 – Indianapolis overlay
- 765 – Central IN / Lafayette
You can also browse our full directory of Indiana area codes for more regional guides.
↑ See the complete list of All US Area Codes by State – every area code across all 50 states in one directory.
Explore Neighboring States
Researching area codes just across the state line? Start with these codes in the states that border Indiana:
Frequently Asked Questions
Where is the 219 area code located?
The 219 area code covers northwest Indiana along Lake Michigan, including Gary, Hammond, East Chicago, Merrillville, Valparaiso, and Michigan City.
Does 219 have an overlay?
No. The 219 area code covers northwest Indiana on its own and currently has no overlay code.
Do I need to dial 10 digits for 219?
Because 219 has no overlay, 7-digit local dialing has historically worked, but dialing the full 10 digits is now the recommended standard and always works.
What time zone is the 219 area code in?
The 219 area code observes Central Time (CST/CDT) – the only part of Indiana on Central Time along with the Evansville area, because it belongs to the Chicago metro.
Related 219 Guides
- Is a 219 call safe? Read Is area code 219 a scam? Spam & safety guide.
- Local coverage: see the Gary area code guide.
- Worried about spam or robocalls? Browse our Scam Alerts directory.