The 219 area code covers Gary, Merrillville and 42 more places in Indiana.
Area code 219 is in Indiana, on Eastern Time and Central Time. In the 219 area, phone numbers are given out most in Lake County, then Porter and LaPorte counties. It has been in service since 1948.
- Where
- 8 counties in Indiana, mostly Lake County, Porter County and LaPorte County
- Time zone
- Eastern Time and Central Time
- In service since
- 1948
- Shares its area with
- No other area code
- Prefixes in use
- 495
- How to dial
- Local calls need all 10 digits: 219-555-0142.
Find out who called you from a 219 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (219) number is on today, use our free carrier lookup.
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Gary holds 15% of the phone prefixes in area code 219.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 495 prefixes in use shows where 219 numbers are actually given out.
- Gary74 prefixes, 15%
- Merrillville53 prefixes, 11%
- Valparaiso31 prefixes, 6%
- Crown Point29 prefixes, 6%
- Hammond27 prefixes, 5%
- Michigan City26 prefixes, 5%
- Portage22 prefixes, 4%
- East Chicago22 prefixes, 4%
Also served: La Porte, Highland, Dyer and Chesterton and 32 smaller places.
Indiana Bell (AT&T) holds the most phone number prefixes in area code 219: 92 of 495.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 495 prefixes in use in 219 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| Indiana Bell (AT&T)AT&T's landline company | 92 | 19% |
| AT&T MobilityMobile network | 52 | 11% |
| T-MobileMobile network | 49 | 10% |
| FrontierLandline company | 41 | 8% |
| Level 3 (Lumen)Lumen's business and wholesale network | 23 | 5% |
| Fractel | 21 | 4% |
| 29 other carriers | 217 | 44% |
80% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
219 has been split 2 times since 1948.
1948
219 goes into service.
2002
On January 15, 2002, 260 and 574 split off and take part of the 219 area.
A 219 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 219 are 574, 260 and 765.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
Indiana has 7 other area codes.
These are the questions people ask most about area code 219.
Where is area code 219?
219 covers Gary, Merrillville, Valparaiso and Crown Point and 40 more places in Indiana. In the 219 area, phone numbers are given out most in Lake County, then Porter and LaPorte counties.
What state is area code 219 in?
Indiana. 219 is an Indiana area code on Eastern Time and Central Time.
What cities use area code 219?
The places holding the most 219 prefixes are Gary, Merrillville, Valparaiso, Crown Point, Hammond, Michigan City, Portage and East Chicago, out of 44 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 219?
No single phone company owns 219. NANPA's records show Indiana Bell (AT&T) holds the most 219 prefixes, 92 of 495, followed by AT&T Mobility and T-Mobile. Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 219 in?
219 is on Eastern Time and Central Time.
When did area code 219 start?
219 went into service in 1948.
How do I dial a 219 number?
Local calls need all 10 digits: 219-555-0142.
Is 219 a toll-free number?
No. 219 is a regular area code for Gary and Merrillville in Indiana, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 219?
The closest are 574 (South Bend, Indiana), 260 (Fort Wayne, Indiana), 765 (Lafayette, Indiana) and 269 (Kalamazoo, Michigan), measured between the centres of each area.
Who called me from a 219 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 219 a scam?
219 is a real Indiana area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.