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US area code · Missouri

Area code 660

Where the 660 area code is, its overlay and how to dial a +1 660 number from anywhere.

CoversSedalia, MissouriTime zoneCentral (CT)TypeGeographic
Quick answer

The 660 area code is in Sedalia, Missouri, United States (Central (CT)). To call from abroad: +1 660 555-0123.

StateMissouri
Main areaSedalia
Time zoneCentral (CT)
TypeGeographic
10-digit dialingRequired
In service since28-Jul-1997

The 660 area code is a geographic North American Numbering Plan (NANP) code covering Sedalia, Missouri. It has been in service since 28-Jul-1997 and sits in the Central (CT) time zone.

How to dial a 660 number

From abroad+1 660 555-0123
Within the US / Canada1 660 555-0123
Locally (same area)660 555-0123

Cities in the 660 area code

A 660 number is usually in one of these places in Missouri — 1 county.

Sedalia Pettis

Other Missouri area codes

235314417557573636816975

Frequently asked questions

Where is the 660 area code?

The 660 area code is in Sedalia, Missouri, United States (Central (CT)).

Do I have to dial 10 digits for 660?

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

How do I call a 660 number from another country?

Dial your exit code (or +), then 1, then 660, then the number: +1 660 555-0123.

Source: NANPA numbering plan. An area code covers a region, not a precise address — a 660 number does not pinpoint a street or ZIP code.

Missed a call from +1 660?

In the 30 days to September 24, 2026, 250 unwanted calls showing a 660 number were reported to the US Federal Trade Commission, 63% of them recorded messages or robocalls. That puts 660 at #307 of 670 area codes reported.

Other79
Reducing your debt (credit cards, mortgage, student loans)44
Calls pretending to be government, businesses, or family and friends40
Medical & prescriptions36
Before you call back
  • If you do not know anyone in Missouri, do not call back: a genuine caller will leave a message or send a text.
  • Scammers fake the number shown on caller ID, so a 660 number can hide a caller anywhere in the world.
  • Never give a code received by text or a bank detail to an unknown caller. In the US, calls can be reported at reportfraud.ftc.gov.

Who issues +1 660 numbers

Phone companies hold blocks of numbers in each area code. The main holders in 660:

Level 3 Communications, LLC 63Embarq Missouri, Inc. Dba Centurylink 46Onvoy, LLC 41Southwestern Bell 40Grand River Mutual Tel Co 36New Cingular Wireless PCS, LLC 34

About 12.6% of the 531 prefixes in use belong to mobile carriers: a 660 number is often a cell phone, and it may have moved to another carrier since.

Sources: FTC Do Not Call reported calls (numbers as reported by consumers, not verified), NANPA central office code assignments.

All US area codes United States +1 Map of area code 660 — cities & rate centres