What Is Area Code 816? (Kansas City, Missouri)

Area code 816 covers Kansas City and surrounding areas in Missouri. It is one of the original 86 area codes established by AT&T in 1947. Today it shares its territory with overlay code 975. For the full picture, see all Missouri area codes.

History of Area Code 816

Area code 816 is one of the 86 original area codes created by AT&T in 1947, when the first nationwide numbering plan went into effect on January 1 of that year. It was assigned to Missouri as part of the initial map that divided the United States and Canada into geographic dialing regions.

Since its activation, the geographic area covered by 816 has been reshaped by the following splits:

• 1950 — area code 417 split off to cover Area code 417 was split from 816 to serve southwestern Missouri, including Springfield, Joplin, and Branson, reducing 816 to the northern third of the state.
• 1997 — area code 660 split off to cover Area code 660 was split from 816 on October 12, 1997 (permissive period through April 19, 1998), taking the rural northern and eastern portions of the 816 territory. The Kansas City metro and St. Joseph area retained 816.

Overlay codes have been added to the same geographic territory in:

• 2023 — area code 975 activated as an overlay

Cities and Areas Served by 816

Area code 816 serves Kansas City metropolitan area and northwestern Missouri, including the St. Joseph area and all or part of 15 surrounding counties, including the following cities and communities:

• Kansas City
• Independence
• St. Joseph
• Lee's Summit
• Blue Springs
• Liberty
• Gladstone
• Grandview

Nearby area codes covering the same broader region include: 314, 417, 557, 573, 636, 660, 975.

Overlay Codes 816

Area code 975 shares the same geographic territory as 816 (added in 2023). New phone numbers in the region may be assigned either code.

Because multiple area codes serve the same area, ten-digit dialing is mandatory for all local calls. A call from any of these codes originates from the same geographic region in Missouri.

The Cultural Weight of a 816 Number

Area code 816 is one of the original 86 numbering plan areas established in 1947 when AT&T created the North American Numbering Plan, making it the first area code assigned to Missouri. It initially covered the entire western half of the state, but two geographic splits — the creation of 417 for southwestern Missouri in 1950 and the carving out of 660 for rural northern Missouri in 1997 — concentrated 816 on the Kansas City metropolitan area and the St. Joseph corridor. Despite rapid population growth in the Kansas City metro during the latter half of the 20th century, 816 held its post-1950 boundaries for nearly half a century. By 2021, the proliferation of mobile devices and internet-connected technology drove the code toward number exhaustion, requiring mandatory ten-digit dialing. On October 13, 2023, overlay code 975 was activated across the same territory, ensuring continued number availability without forcing existing subscribers to change their numbers. Today, 816 Day — declared an official Kansas City holiday in 2018 by then-Mayor Sly James — is observed on August 16 each year as a civic celebration of the code’s identity and the city it represents.

The 816 area code is inseparable from Kansas City’s cultural identity. The city’s historic 18th and Vine Jazz District — home to the American Jazz Museum and the Negro Leagues Baseball Museum — produced legends including Charlie Parker and Count Basie, cementing Kansas City’s place in the American jazz canon. Kansas City is equally renowned for its distinctive barbecue tradition, with more than 100 restaurants representing a style defined by slow-smoked meats and a rich, tomato-forward sauce. On the sports side, 816 is home turf for the Kansas City Chiefs of the NFL, whose Arrowhead Stadium anchors the south side of the metro, and the Kansas City Royals of MLB, who play at Kauffman Stadium. The Chiefs’ multiple Super Bowl victories and the Royals’ World Series championships have made 816 a number that carries genuine sports-tribal weight across the region. The Nelson-Atkins Museum of Art and the National World War I Museum and Memorial further anchor the code’s cultural reach, while Independence — hometown of President Harry S. Truman — adds a layer of presidential history to the broader 816 footprint.

How to Get a Phone Number with Area Code 816

There are three ways to get a phone number with the 816 area code, each suited to a different need:

1. Buy from a premium-number specialist. Companies that hold curated inventories of specific area codes can sell you a 816 number directly, often with a one-time fee and ownership transferred to you (no recurring carrier fees). This is the option for picking a specific memorable number, or for getting an area code that most carriers won’t let you request. Browse our 816 inventory.
2. Sign up with a VoIP carrier. Voice-over-IP services (such as Google Voice, OpenPhone, Grasshopper, and many others) can typically provision a 816 number on request, especially for active overlay codes. You won’t usually get to pick the specific number, but you’ll get a working line in the area code. This is the cheapest option for anyone who doesn’t need a particular number.
3. Port an existing 816 number. If you already have a 816 phone number with another carrier, you can transfer it (port it) to a new service provider while keeping the number. This works for landlines, cell phones, and VoIP services, though landlines outside of Missouri sometimes can’t accept inbound ports of 816 numbers due to 911 routing rules.

Looking for a 816 number? 212areacode.com offers premium 816 numbers for Kansas City, Missouri — choose your number, port it to any carrier in 3–5 business days, and pay a one-time fee with no monthly charges. Browse available 816 numbers →

Frequently Asked Questions

Is the 816 area code still in use?
Yes. 816 is actively assigned to new phone lines in Kansas City metropolitan area and northwestern Missouri, including the St. Joseph area and all or part of 15 surrounding counties.

What is the difference between 816 and 975?
Today they share the same geographic territory in Missouri. New phone lines in the area may be assigned either code. The two codes work identically for calling, billing, and service.

Can I get a 816 number if I don't live in Missouri?
Yes. Phone numbers are no longer tied to a physical address. With VoIP service or a number broker, you can hold a 816 number from anywhere in the world. The number routes to whatever device or carrier you specify.

Is 816 a scam area code?
No. 816 is a legitimate, active area code for Kansas City metropolitan area and northwestern Missouri, including the St. Joseph area and all or part of 15 surrounding counties. Like any area code, scammers occasionally spoof 816 caller IDs, but the code itself is heavily used by real Missouri businesses, government offices, and residents.

What cities are covered by area code 816?
Area code 816 covers Kansas City, Independence, St. Joseph, Lee’s Summit, Blue Springs, Liberty, Gladstone, Grandview, Kearney, Raytown, Belton, and dozens of other communities across approximately 15 counties in northwestern Missouri.

Does area code 816 require ten-digit dialing?
Yes. Because overlay code 975 shares the same geographic territory as 816, all local calls within the 816/975 region require ten-digit dialing (area code + seven-digit number). This has been mandatory since October 2021.

When did the 975 overlay go into service for the 816 area?
Area code 975 was activated as an overlay to 816 on October 13, 2023. New numbers in the Kansas City metro may be assigned either 816 or 975; existing 816 numbers were not changed.

What is 816 Day?
816 Day is an official Kansas City holiday observed on August 16 each year. The first celebration was held on August 16, 2017, and it was made an official city holiday in 2018. It is a community-wide celebration of Kansas City’s culture, local talent, and civic pride.

Related Reading

• Who Invented Area Codes?
• Why Use Area Codes For Local Calls?
• What States Have the Most Area Codes?
• Most Desirable Area Codes

See where it sits in the full US area code directory.