463 Area Code: Indianapolis Indiana — New Overlay Since 2015

463 · Indianapolis

What is the area code for Indianapolis?

The area code for Indianapolis, Indiana is 463, with overlay code 317 sharing the same geographic footprint. The 463 area code is a North American Numbering Plan geographic code assigned in 2015, covering the Indianapolis Metro region. It serves approximately 2,100,000 residents on the Eastern Time (ET) ().

The 463 area code has 183 assigned central-office prefixes (NXX codes, the three digits after the area code) across 32 rate centers, with numbers allocated to roughly 35 carriers.

At 183 of the ~792 usable central-office prefixes, the 463 area code has about 23% of its numbering capacity assigned, and that near-exhaustion is part of why overlay code 317 was added to the region. See how 463 compares in our NXX prefix allocation analysis across 338 US area codes. (Prefix data: localcallingguide.com / NANPA, 2026.)

Where is area code 463? Location and map area

Area code 463 is located in Indiana, the United States. Its coverage area centers on Indianapolis and spans the Indianapolis Metro region. If you received a call from a 463 number, the caller's number was assigned in this area — though with number porting and virtual numbers, the person may be calling from anywhere.

The 463 location sits in Eastern Time (ET), so local business hours run roughly 9 a.m.–5 p.m. ET. Neighboring Indiana area codes include 219, 260, 317.

For the full story — every city covered, overlay history, and local scam patterns — read the complete Indianapolis area code guide.

All Indianapolis area codes

Indianapolis is served by 2 area codes across the metro area. 463 is the 2015 addition; the others were added as overlays or for surrounding suburbs.

• 317 — Indianapolis — 1947 original
• 463 (current page) — Overlay on the same metro, assigned 2015

Cities served by the 463 area code

The 463 area code covers 5 major cities and towns across the Indianapolis Metro region (IN):

Businesses across Indianapolis and surrounding cities use 463 numbers to project local presence and lift call answer rates. Industry studies of local presence dialing consistently report answer-rate gains of 20–40% over toll-free or out-of-area numbers — a caller ID that matches the recipient's region looks familiar and gets picked up.

463 area code time zone and business hours

The 463 area code is in the Eastern Time (ET) zone (). Standard business hours in 463 run 9 AM to 5 PM ET.

If you're calling into 463 from a different time zone, factor in the offset. For example, an Eastern Time business calling 463 at 9 AM ET reaches Indianapolis at local time — likely outside standard business hours.

History of the 463 area code

The 463 area code was introduced in 2015 when the North American Numbering Plan was first deployed. As Indianapolis grew and number demand increased, overlay code 317 was added to serve the same geographic region — a common solution that avoids forcing existing subscribers to change their numbers.

• 1947 317 added to serve the same region
• 2015 463 entered service

Is the 463 area code safe? Spam and scam calls

463 is a legitimate geographic area code for Indianapolis — it is not a scam code or a premium-rate prefix, and a call from a 463 number is most likely a genuine local caller. The risk is not the area code itself but a tactic called neighbor spoofing: scammers fake their caller ID so an unwanted call appears to come from your own area code, because people answer familiar numbers more readily.

If you get an unexpected 463 call, a few signals point to a likely scam — a pre-recorded message, urgent pressure to act now, a demand for payment by gift card or wire transfer, or anyone asking for passwords, Social Security, or account numbers. Let suspicious calls go to voicemail, never share personal information, and report fraud to the FTC at reportfraud.ftc.gov.

The FCC consumer guide on spoofing explains your rights under the Truth in Caller ID Act. A real Indianapolis business will leave a clear voicemail and will not pressure you.

US carriers verify caller ID with the STIR/SHAKEN framework, which flags many spoofed numbers as "Spam Likely" before they ring. DialPhone 463 numbers are registered for STIR/SHAKEN attestation, so calls from your business are verified as genuine and reach customers without a false spam label. See the DialPhone guide to VoIP security for more.

Why get a 463 area code number for your business?

Getting a 463 number gives your business three measurable advantages over a toll-free or out-of-area number:

1. Local trust signal. Customers in Indianapolis recognize 463 as their home area code. Caller ID matching builds immediate credibility for service businesses, sales outreach, and patient communication.
2. Higher answer rate. Calls from a familiar local area code are answered far more often than unknown or toll-free numbers — industry measurements of local presence dialing put the lift at 20–40%, which matters most for outbound sales, appointment confirmations, and time-sensitive service callbacks.
3. Targeted marketing. Businesses serving Indianapolis and the broader Indianapolis Metro can advertise a local number across print, radio, billboards, and digital channels for higher conversion than a national 800 number.

For businesses in Indianapolis and surrounding cities, top industries that benefit from local 463 presence include Professional Services, Healthcare, and Retail. DialPhone's AI receptionist is available for every 463 number — never miss a call, even after standard business hours.

How to get a 463 area code number

Setting up a 463 business number with DialPhone takes under 10 minutes:

1. Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
2. Search available 463 numbers. Filter the DialPhone number inventory by area code, city, or pattern.
3. Choose your number and configure. Assign your new 463 number to a user or team, set up call routing, voicemail, AI receptionist, and business SMS.
4. Port your existing number (optional). Already have a 463 number? Free number porting in 2 to 5 business days with zero service interruption.

New to local numbers? The complete guide to getting a local phone number covers choosing the right area code, porting an existing line, and avoiding spam flags.

463 area code overlay codes

The Indianapolis Metro region is served by multiple overlay area codes:

Area Code	Coverage
463	Primary area code for Indianapolis Metro, assigned 2015
317	Overlay — same geography (assigned 1947)

All overlay codes serve the same Indianapolis region. New subscribers may be assigned any available code; existing numbers retain their original prefix.

AI receptionist for 463 area code businesses

Every DialPhone 463 number includes optional AI receptionist coverage, available 24/7. The AI handles calls when your team is unavailable — answering common questions, booking appointments, routing urgent callers to on-call staff, and capturing voicemail with full transcription and intent tagging.

For businesses in Indianapolis that handle high call volume, run extended hours, or need bilingual support (especially valuable in service areas with diverse customer bases), the AI receptionist reduces voicemail backlog and improves first-call resolution.

All area codes in Indiana

Indiana has 8 active geographic area codes. The 463 area code is part of the same numbering plan as the codes listed below — calls between them are typically local within the state, depending on the carrier.

Nearby area codes

Related area codes in Indiana and the Eastern Time (ET) region:

• 219 area code — Hammond, Indiana
• 260 area code — Fort Wayne, Indiana
• 317 area code — Indianapolis, Indiana
• 574 area code — South Bend, Indiana
• 765 area code — Lafayette, Indiana
• 812 area code — Evansville, Indiana

All Indiana area codes → · Browse all US area codes →

More area codes: ← 458 Eugene · 469 Dallas →

How this page is verified

DialPhone re-verifies every area code page every 90 days. Area code geography, timezone, and overlay data come from the official North American Numbering Plan Administration (NANPA) database. Pricing reflects the published DialPhone plan tiers — see the pricing page for current details. Number availability varies; check the DialPhone signup flow for live inventory in the 463 region.

What to know before getting a 463 number

• Number availability is finite. Popular Indianapolis area codes can be inventory-constrained — request specific vanity patterns early.
• Porting timing varies. Most 463 ports complete in 2-5 business days; complex multi-line legacy contracts can take 7-10.
• HIPAA tier required for healthcare. The Core $24 plan doesn't include a BAA — healthcare users need Advanced ($34) or above.