Indianapolis, Indiana
317 Area Code
Establish a trusted local presence in Indianapolis and central Indiana with a 317 area code number. Ideal for businesses that want higher pickup rates and local trust in Marion, Hamilton and Hendricks counties.
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About 317 Area Code
Area code 317 serves Indianapolis and central Indiana. Introduced in 1947 as one of the original 86 area codes in the North American Numbering Plan, 317 initially covered the northern two-thirds of Indiana before being reduced to the Indianapolis metropolitan area. The code now covers major communities including Indianapolis, Carmel, Fishers, Noblesville, Greenwood and Lawrence, extending across Marion, Hamilton, Hendricks, Hancock, Boone, Johnson, Madison, Morgan and Shelby counties. In 2016, area code 463 was added as an overlay, making 10-digit dialing mandatory. The code supports local voice and SMS-capable numbers used by life sciences companies, healthcare systems, manufacturers and service businesses across this thriving metro region.
The 317 region powers Indiana's economy with strengths in life sciences, healthcare, advanced manufacturing and technology. Indianapolis is home to Eli Lilly and Company, one of the world's largest pharmaceutical companies, plus major employers including Indiana University Health, Anthem, Salesforce and Rolls-Royce. Local businesses use 317 numbers for patient appointment reminders, customer support, order confirmations and delivery tracking. A local number yields stronger answer rates than out-of-state or toll-free alternatives because it signals commitment to the Indianapolis market and builds immediate trust in this business-friendly environment.
FoneSwift lists live 317 inventory and capabilities on this page. Search numbers to see which ones support Voice, SMS and MMS. Area code availability varies over time. If a local 317 number is not available immediately, similar results in nearby NPAs (e.g., 765, 260, 574) may still deliver Indiana recognition, though 317 remains the strongest identifier for businesses targeting Indianapolis and the central Indiana market.
If your business targets Indianapolis or central Indiana, publish numbers in both local and E.164 formats (e.g., (317) 555-1234 and +1 317 555 1234) and register messaging traffic if you plan A2P campaigns. For porting, see our porting guide. Many businesses keep the same number to preserve customer familiarity and maintain brand continuity in this competitive market.
| Country | United States |
| State | Indiana |
| Area code | 317 |
| Primary cities | Indianapolis, Carmel, Fishers, Noblesville |
| Counties served | Boone, Hamilton, Hancock, Hendricks, Johnson, Marion, Morgan, Shelby, Brown |
| Timezone | America/Indiana/Indianapolis (EST) |
| Created | January 1, 1947 |
| International Format | +1 317 XXX XXXX |
| Local Format | (317) XXX-XXXX |
10-digit dialing is mandatory within and into the 317 region since September 30, 2016. Register A2P messaging for business SMS to comply with US carrier rules (10DLC).
Area code 317 uses Eastern Standard Time (EST, UTC-5) and observes Daylight Saving Time, switching to Eastern Daylight Time (EDT, UTC-4) in spring and summer. Business hours align with New York and Atlanta rather than Chicago.
Local numbers are commonly used for higher answer rates and local trust. If needed, consider nearby NPAs like 765 (Muncie), 260 (Fort Wayne) or 812 (Bloomington) for additional inventory while maintaining an Indiana regional presence.
Quick Facts about 317 Area Code
Interesting tidbits about this area code 317
Original area code
Area code 317 was one of the original 86 area codes established in 1947 and initially covered the northern two-thirds of Indiana before being reduced to the Indianapolis metro area in 1997.
Racing Capital of the World
The 317 area code is home to the Indianapolis Motor Speedway, which hosts the Indianapolis 500, the largest single-day sporting event in the world with over 250,000 permanent seats.
Life sciences powerhouse
Indianapolis is a global leader in life sciences. Eli Lilly and Company, founded in 1876, is one of the world's largest pharmaceutical companies with nearly 11,000 local employees.
Crossroads of America
Indianapolis sits at the intersection of major interstate highways (I-65, I-69, I-70, I-74), making it a strategic logistics hub with more interstate highway miles than any other metro area.
Overlay code 463
In 2016, area code 463 was added as an overlay to 317, making Indianapolis one of the first Indiana markets to require mandatory 10-digit dialing. The code 463 spells IND on a phone keypad.
Monument Circle
Monument Circle in downtown Indianapolis sits at the exact center of Marion County and serves as the Mile 0 marker for Indianapolis's original street grid system.
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How Does Local 317 Phone Numbers Work?
A local business number is a structured telephone identifier that tells networks where to route calls and messages. When you use a 317 number in Indianapolis and Indiana, the digits signal the international gateway, the geographic region, the local exchange and the specific subscriber, so calls reach the right destination quickly and reliably.
The typical parts of a United States local number are:
- Country code (+1): identifies United States for international routing.
- Area code (317): directs the call to the Indianapolis / Indiana region.
- Central office / exchange (eg. 555): narrows the call to a local switching area or rate center.
- Subscriber number (eg. 1234): the unique line assigned to a person, extension, or device.
Example formats:
| International Format (E.164) | +1 317 555 1234 |
| Local Format (National) | (317) 555-1234 |
Quick Dialing Guide
The correct formats to reach 317 numbers locally and globally.
From Landlines
Standard United States FormatUse for domestic long-distance calls within United States.
From Mobile
E.164 InternationalThe universal format. Works on any mobile device, anywhere.
International
From abroadDialing from outside United States (exit code 00 varies by country).
With FoneSwift, your 317 number can be instantly configured through our intuitive dashboard. Connect it to call forwarding rules, AI voice agents, IVR menus, or route calls directly to any device. Enable voice, SMS, and MMS capabilities right from your account, no technical setup required. Your number becomes active immediately after purchase, and you can update routing, business hours, and integrations anytime.
For businesses, local numbers offer clear benefits: higher answer rates, stronger local recognition, and better performance for local campaigns and customer trust. Typical business features include call forwarding, call recording, auto-attendants, voicemail-to-email, and multi-device ringing.
Important operational notes:
- SMS & A2P: If you plan to send application-to-person messages from a 317 number, register your traffic where required and follow carrier rules (10DLC/A2P) to avoid deliverability or throughput issues.
- Number Porting: Bring your existing 317number to FoneSwift seamlessly. Our team handles the entire porting process, simply submit your number details and we'll coordinate with your current provider. Porting typically completes within 5-10 business days, and you'll receive updates at each step. There's no service interruption during the transfer.
- Display & formatting: Always publish numbers in both local and E.164 formats so international and mobile users can easily dial.
Ready to get started? Browse available 317 numbers in the phone numbers section above, you'll see real-time availability and can filter by features like voice, SMS, and MMS. Once you find your perfect number, purchase it in seconds and start making calls immediately. Our team is here to help you choose the right setup for your business needs, whether you're setting up AI receptionists, call forwarding, or SMS campaigns. Start your 14-day free trial today, no credit card required.
How to Get a 317 Phone Number
Buying a local 317 phone number using FoneSwift is easy and takes just a few minutes. Follow these simple steps to get your local 317 phone number and start connecting with customers in United States today.
Create a new account on FoneSwift or sign in to your existing account to get started.
Once logged in, you'll be taken to your FoneSwift dashboard where you can manage all your phone numbers and settings.
Click on Settings in the sidebar, then go to "My Numbers" and click the "Add a Number" button.
Choose United States as your country from the dropdown menu.
Select Local as the type of number, then choose the 317 area code from the available options.
Click the "Search" button to see all available phone numbers with the selected area code.
Browse through the available numbers, select one that fits your needs, click "Buy Number", and confirm your purchase.
Your number is now active! Start making and receiving calls from the FoneSwift Dialer immediately.
You can configure your number to handle calls, forward calls, or even create an AI voice agent to handle the calls for you.
Businesses Using 317 Phone Numbers
Indianapolis and central Indiana host life sciences, healthcare, manufacturing and technology businesses. Local phone numbers are commonly used for customer-facing operations and regional outreach.
Life sciences & pharmaceuticals
Pharmaceutical companies, biotech firms and medical device manufacturers including Eli Lilly, Roche Diagnostics and Cook Medical use local numbers for research coordination, clinical trials and B2B partnerships.
Healthcare systems
Hospital networks including Indiana University Health, Community Health Network and Eskenazi Health rely on local numbers for appointment scheduling, patient communications and telehealth services.
Advanced manufacturing
Automotive, aerospace and specialty manufacturers including Allison Transmission, Rolls-Royce and Nice Pak use 317 numbers for supplier coordination, quality control and logistics operations.
Technology & SaaS
Tech companies including Salesforce, Genesys and marketing technology firms use local numbers for customer support, sales outreach and product onboarding throughout the central Indiana market.
Logistics & distribution
Warehouses, freight carriers and fulfillment centers including Amazon, FedEx and Express Scripts use local numbers for driver dispatch, delivery coordination and customer tracking updates.
Sports & hospitality
Hotels, event venues, restaurants and sports organizations including the Indianapolis Colts, Pacers and Indianapolis Motor Speedway use 317 numbers for reservations, guest services and ticket sales.
Why Choose 317 Local Phone Number for Your Business?
Discover the advantages of having a local phone number that builds trust, increases engagement, and drives results.
Powerful Features for Your 317 Local Phone Number
Get the most out of your localphone number with FoneSwift's enterprise-grade features designed to help your business communicate more effectively.
Nearby Area Codes
Explore other area codes in the same region to expand your local presence.
Frequently Asked Questions
What cities use the 317 area code?
When was the 317 area code created?
Can I get SMS-capable numbers in area code 317?
What is the 463 area code overlay?
Do I need to dial 10 digits for 317 numbers?
Is 317 a toll-free code?
How do I buy a 317 local phone number?
Can I port my existing 317 number to FoneSwift?
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