Every US area code, explainedUnited States · +1
AREA CODE · MISSOURI

Area code 660

Area code 660 covers Sedalia, Missouri. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Missouri Major City: Sedalia Central Time (CT) Overlay: None
01 / WHERE IT IS

Where is area code 660?

Area code 660 is assigned to Sedalia and the surrounding region in Missouri. Calls to numbers that start with 660 are routed to this area.

Area code 660 is not currently part of an overlay: it serves its territory on its own.

Counties covered

Henry CountyPettis CountySaline CountyJohnson CountyNodaway CountyCooper CountyMacon CountyChariton CountyAdair CountyRandolph CountyLinn CountyHarrison CountyLafayette CountyLivingston CountyCarroll CountyBates CountyBenton CountyGrundy CountyClark CountyGentry County

Line types

  • Mobile 20.47%
  • Landline 79.53%
02 / MAP

Area code 660 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Sedalia

This area code is in the Central Time (CT) time zone.

Local timeSedalia, MO--:--:--

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04 / HOW TO DIAL

How to call Sedalia

WITHIN THE US660 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 660 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 660 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 660 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 660 555 0123
🇦🇺Australia0011 1 660 555 0123
🇯🇵Japan010 1 660 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 660

Share of the number blocks by carrier and line type.

Landline

Lumen Technologies
26%
AT&T
11%
Sinch
10%
Grand River Mutual Telephone
9%
Windstream Communications
6%
Others
38%

Mobile

AT&T Mobility
31%
Verizon Wireless
30%
T-Mobile USA
24%
UScellular
8%
GREEN HILLS TELECOMMUNICATIONS SERVICES
3%
Others
4%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 660

513 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(660) 200 Landline Butler Lumen TechnologiesEMBARQ MISSOURI, INC. DBA CENTURYLINK - MO
(660) 201 Landline Polo SpectrumTWC IP ENABLED SERVICES, LLC
(660) 202 Mobile Marshall AT&T MobilityNEW CINGULAR WIRELESS PCS, LLC - IL
(660) 203 Mobile Alma GREEN HILLS TELECOMMUNICATIONS SERVICES
(660) 204 Landline Smithton Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO
(660) 205 Landline Sweet Springs Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO
(660) 206 Landline Otterville Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO
(660) 207 Landline Appleton City Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO
(660) 208 Landline Blairstown Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO
(660) 209 Landline Green Ridge Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - MO

Showing 10 of 513 prefixes

07 / FAQ

Frequently asked questions about area code 660

Where is area code 660 used?
Area code 660 serves Sedalia and the surrounding area in Missouri, including Henry County, Pettis County, Saline County, Johnson County, Nodaway County.
What city is area code 660 from?
The main city of area code 660 is Sedalia, MO.
What time zone is area code 660 in?
Area code 660 is in the Central Time (CT) time zone (America/Chicago).
Is 660 an overlay area code?
No. Area code 660 is not currently part of an overlay.
How do I call a number with area code 660 from the United States?
Dial the 10 digits: 660 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 660 number from another country?
Dial your country's exit code (or +), then 1, then 660 and the seven-digit number. From a mobile you can use +1 660 XXX XXXX.
Which carriers use area code 660?
Most landline blocks belong to Lumen Technologies and most mobile blocks to AT&T Mobility. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 660 for landlines, mobiles or both?
Both. About 79.53% of the number blocks are landline, 20.47% mobile.
How do I save a 660 number in WhatsApp or my phone?
Save it in international format: +1 660 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 660?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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