Area Code 219
Indiana
Area code 219 serves Indiana, primarily Hammond, in the Eastern Time (ET) time zone. It has served the region since 01-Jan-1948.
Area Code Splits
Parts of this area code’s original geographic region were later assigned new area codes through splits. When a split occurs, some customers in the original area code region are assigned the new area code.
Split into: area code 260 (Fort Wayne), area code 574 (South Bend).
Historical Timeline of Area Code 219
Area code 219 has undergone three major regulatory events since its creation in 1948, including the first area code split in North American Numbering Plan history and the first three-way geographic split ever approved by a state utility commission. Northwest Indiana retained 219 after a 2001 lottery, while area codes 260 and 574 were created for the Fort Wayne and South Bend regions. Source: Telecom Indiana.
Key milestones:
- 1947: The original NANP was established. Indiana received area codes 317 (northern/central two-thirds) and 812 (southern third).
- 1948: The first area code split in NANP history. AT&T carved 219 from 317 to serve northern Indiana, including Gary, Hammond, East Chicago, South Bend, Elkhart, and Fort Wayne. This was the 87th area code in service and the first created after the original 86 (Source: Telecom Indiana).
- 1999: IURC opened investigation into 219 area code relief and implemented a number rationing procedure.
- 2001: June 14: IURC approved a three-way geographic split (Cause No. 41535) by 3-1 vote. July 11: A lottery assigned area codes using index cards drawn from a glass bowl. Area A (northwest) drew 219; Area C (Fort Wayne) drew 260; Area B (South Bend) was left with 574 (Source: IURC). October 17: Boundary modifications moved La Porte County communities to 219 and Noble County communities to 260 (Source: IURC).
- 2002: January 15: Permissive dialing began. June 14: Mandatory dialing of 574 and 260 started. 219 was retained by northwest Indiana as the sole area code serving the region (Source: IURC).
- 2021: Area code 219 transitioned to mandatory 10-digit dialing on October 24, per FCC Order 20-100, to enable nationwide 988 dialing for the National Suicide Prevention Lifeline (Source: IURC).
Area code 219 now serves as the only area code for northwest Indiana, covering a population of over one million across cities including Hammond, Gary, Portage, Merrillville, Valparaiso, and Crown Point. Unlike Indiana's other original codes, 219 has never required an overlay thanks to the numbering capacity freed by the 2001 three-way split.
Unique Facts About Area Code 219
Area code 219 has several notable distinctions among North American area codes. Source: OUCC Indiana Area Codes.
- Only Indiana area code with no overlay: Unlike 317 (overlaid by 463 in 2016) and 812 (overlaid by 930 in 2015), 219 has never received an overlay. The 2001 three-way split provided sufficient numbering capacity through the projected exhaust date of 2041 (Source: OUCC).
- Lottery decided the assignment: On July 11, 2001, index cards labeled A, B, and C were drawn from a glass bowl at an IURC hearing. Northwest Indiana (Area A) drew 219; Fort Wayne (Area C) drew 260; South Bend (Area B) was left with 574 (Source: IURC).
- Cross-border numbering with Michigan 269: The 2002 split of Michigan's 616 created area code 269, creating cross-border proximity: 219/269 near Michigan City, 260/269 near LaGrange, and 574/269 along Indiana's northern border (Source: Telecom Indiana).
- Communities petitioned for boundary changes: After the IURC approved the split, La Porte, Rolling Prairie, Westville, Union Mills, and Hanna moved from 574 to 219 to keep LaPorte County whole; Ligonier and Cromwell moved from 574 to 260 to keep Noble County whole (Source: IURC).
- Projected exhaust date of 2041: Area code 219 is projected to exhaust all available numbers by 2041, giving the region approximately 20 years of numbering capacity after the 2001 three-way split (Source: OUCC).
These characteristics make 219 one of the most historically significant area codes in the numbering plan. Its three-way split mechanism, lottery-based assignment, and lack of overlay distinguish it from virtually every other area code in the United States.
FCC Regulatory History
Area code 219 has undergone significant regulatory events governed primarily by the Indiana Utility Regulatory Commission (IURC) and the FCC. The IURC chose a three-way geographic split over an industry-recommended overlay to maximize numbering longevity, and the code transitioned to mandatory 10-digit dialing in 2021 for the 988 Lifeline. Source: OUCC Indiana Area Codes
| Year | Event | Docket | Regulatory Action & Impact |
|---|---|---|---|
| 2001 | Three-Way Geographic Split Approved | Cause No. 41535 | IURC approved split of 219 into three regions by 3-1 vote. Industry had recommended overlay; OUCC recommended two-way split. IURC chose three-way split for maximum longevity (Source: IURC) |
| 2001 | Area Code Assignment Lottery | Cause No. 41535 | Lottery using index cards from glass bowl: Area A (NW Indiana) drew 219, Area C (Fort Wayne) drew 260, Area B (South Bend) left with 574 (Source: IURC) |
| 2001 | Boundary Modification Order | Cause No. 41535 | Communities petitioned for reassignment: La Porte, Rolling Prairie, Westville, Union Mills, Hanna moved to 219 (LaPorte County unity); Ligonier, Cromwell moved to 260 (Noble County unity). Permissive dialing set for Jan 15, 2002 (Source: IURC) |
| 2002 | Mandatory Dialing of New Area Codes | Cause No. 41535 | Mandatory dialing of 574 and 260 began. Northwest Indiana retained 219. Split projected to provide ~20 years of numbering relief (Source: IURC) |
| 2021 | Mandatory 10-Digit Dialing (988 Lifeline) | FCC 20-100 | Area codes 219 and 574 transitioned to mandatory 10-digit dialing per FCC Order 20-100, enabling nationwide dialing of 988 for the National Suicide Prevention Lifeline (Source: IURC) |
County Coverage
Population-weighted county share based on aggregated ZCTA population (100% = total mapped population for area code 219).
| County | Population | Share |
|---|---|---|
| Lake, IN | 513,166 | 47.0% |
| Porter, IN | 338,559 | 31.0% |
| LaPorte, IN | 111,024 | 10.2% |
| Jasper, IN | 58,196 | 5.3% |
| Newton, IN | 36,747 | 3.4% |
| White, IN | 18,851 | 1.7% |
| Pulaski, IN | 7,797 | 0.7% |
| Benton, IN | 6,362 | 0.6% |
| Starke, IN | 998 | 0.1% |
Call Context
This area code covers multiple cities and communities across a broad region in Indiana.
Nearby Area Codes
Area codes geographically closest to 219.
Other Area Codes in Indiana
Area codes that also serve Indiana, linked for easy comparison.
Frequently Asked Questions
Common questions about area code 219 and how phone numbering works.
Phone numbers are assigned based on where the number was originally provisioned, not the caller's current location. Mobile phones retain their number when users move, and businesses may use numbers from regions where they don't have a physical presence. VoIP services can also provision numbers from virtually any area code.
Yes, mobile phones can have numbers from any area code in the region they were activated. Wireless carriers assign numbers from available pools regardless of phone type. When users change carriers or move to new areas, they typically keep their original number, which may have a different area code than their current location.
Start by looking up the area code on this site to understand its general geographic region. For the specific number, options include using your carrier's caller ID features or checking public directories. If you suspect fraud, you can report it to the FTC. To file a complaint about robocalls or spoofed numbers, visit the FCC Consumer Complaint Center. You can also register your number with the National Do Not Call Registry to reduce unwanted calls. Keep in mind that caller ID can display any name the caller chooses to set.
While Hammond is a prominent city in this area code's coverage, the code serves the broader surrounding region as well. Area codes are assigned geographically and typically cover multiple cities, towns, and communities beyond any single anchor city.
Yes, this is one of the original area codes established in 1947 when the North American Numbering Plan (NANP) was created. The initial set of area codes was designed to cover all of North America with a unified dialing system, and many of these original codes remain in use today, though some have been split or received overlays.
The estimated total population served by area code 219 is based on aggregated U.S. Census Bureau data for the counties within this area code. The population varies significantly between dense urban codes serving millions and rural codes covering smaller populations. You can find the specific population figure in the demographics section above.