US area code · Missouri

816 area code

Where the 816 area code is, its overlay and how to dial a +1 816 number from anywhere.

CoversBelton, MissouriTime zoneCentral (CT)TypeOverlay

Quick answer

The 816 area code is in Belton, Missouri, United States (Central (CT)). To call from abroad: +1 816 555-0123. It is an overlay, so all 10 digits are dialled.

StateMissouri

Main areaBelton

Time zoneCentral (CT)

TypeOverlay

10-digit dialingRequired

In service since01-Jan-1947

The 816 area code is a geographic North American Numbering Plan (NANP) code covering Belton, Missouri. It has been in service since 01-Jan-1947 and sits in the Central (CT) time zone.

Overlay 816 shares its region

Several area codes cover the same geographic area, so two neighbours can have different codes. Because of the overlay, you must dial all 10 digits (area code + number) even for local calls.

816 975

How to dial a 816 number

From abroad+1 816 555-0123

Within the US / Canada1 816 555-0123

Locally (same area)816 555-0123

Cities in the 816 area code

A 816 number is usually in one of these places in Missouri — 5 counties.

Belton CassBlue Springs JacksonGladstoneGrandview JacksonIndependence JacksonKansas City Clay;Jackson;PlatteLee's Summit JacksonLiberty ClayRaytownSaint Joseph Buchanan

Other Missouri area codes

235 314 417 557 573 636 660 975

Frequently asked questions

Where is the 816 area code?

The 816 area code is in Belton, Missouri, United States (Central (CT)).

Is 816 an overlay area code?

Yes. 816 overlays the same region as 975, so callers dial all 10 digits.

Do I have to dial 10 digits for 816?

Yes — dial the area code plus the seven-digit number.

How do I call a 816 number from another country?

Dial your exit code (or +), then 1, then 816, then the number: +1 816 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 816 number does not pinpoint a street or ZIP code.

Number holders in area code 816

Each prefix (the three digits after the area code) is assigned by NANPA to one telephone company. 800 prefixes are in use in 816, shared by 56 companies. The largest holders:

Company	Prefixes	Share
Southwestern Bell	221	28%
Aerial Communications, Inc.	83	10%
Onvoy, LLC	69	9%
New Cingular Wireless PCS, LLC	59	7%
Embarq Missouri, Inc. Dba Centurylink	47	6%
Cellco Partnership Dba Verizon Wireless	43	5%

Source: NANPA central office code assignments. A number keeps its original prefix when it is ported to another carrier.

Complaints about 816 numbers

Reports to the FTC, last 30 days: 657
Recorded messages or robocalls: 67%
Rank among area codes: #120 of 670
Most reported subjects: Other (257)
: Medical & prescriptions (131)
: Calls pretending to be government, businesses, or family and friends (70)

Period Aug 26 – Sep 24, 2026. These are the numbers shown on the caller ID of the reported calls; many are spoofed and do not belong to the real caller.

Source: US Federal Trade Commission, Do Not Call reported calls data (daily files).

All US area codes United States +1 Map of area code 816 — cities & rate centres