Watch Area Code
Lookup Code
North American Area CodeCentral Time Zone

Area Code 660 Location & Details

State / Region: Missouri • Country: United States

Major Cities Covered: Sedalia, Warrensburg, Kirksville, Washington, Marshall, Moberly, Maryville, Clinton, Chillicothe, Boonville

Standard Dial Format
+1 (660) XXX-XXXX
Country Code: +1 (NANP Format)
What State is Area Code 660?
MissouriState Hub →
Country Territory
United States
660 Area Code Time Zone
Central
660 Overlay Codes
No Overlays

Area Code 660 Geographic Map

Interactive location bounds and coverage area for Missouri (Central Timezone)

Lat: 39.44° • Lng: -93.35°
📍 Geographic Center: MissouriMap data © OpenStreetMap contributors

Where is Area Code 660 Located?

Telephone area code 660 is assigned to Missouri in United States. It serves cities and metropolitan communities including Sedalia, Warrensburg, Kirksville, Washington, Marshall, Moberly, Maryville, Clinton, Chillicothe, Boonville.

Historical Context & Area Code Overlay Information:660 serves Missouri (United States).

For local and long-distance calls within area code 660, standard 10-digit dialing (660) XXX-XXXX applies.

Who Called Me from Area Code 660?

Received an unknown call, missed call, or text scam from area code 660? Here is how to trace who is calling from 660 area code and verify unknown numbers safely:

1.
Identify Missed Calls & Voicemails:

Legitimate contacts usually leave a detailed voicemail or caller ID record.

2.
Watch Out for Neighbor Spoofing:

Robocallers often fake incoming caller ID numbers using your local 660 prefix to boost pick-up rates.

3.
Reverse Phone Lookup Area Code 660:

Search public white-pages or use caller intelligence guides before returning unfamiliar calls.

Learn How Reverse Phone Lookups Work→

How to Call Area Code 660 & Dialing Format

When placing a phone call to a number in area code 660, follow the correct dialing format depending on your calling location:

  • Calling from inside the US / Canada (+1): Dial 1 + (660) + 7-digit number.
  • Calling from an international location outside +1: Dial your country's international exit code (e.g. 011 in US or + on mobile) + 1 + 660 + 7-digit number.
  • Do I need to dial area code 660 for local calls? Yes, 10-digit dialing (area code + line number) is mandatory across North American telephone networks.

Top Cities & Municipalities Served in Area Code 660

Urban centers, census places, and communities within the +1-660 calling area

50 Major Cities Listed
City NameCountyPopulation% of 660 Pop
SedaliaPettis County22,6219.9%
WarrensburgJohnson County20,2838.9%
KirksvilleAdair County17,8637.8%
WashingtonFranklin County15,9067.0%
MarshallSaline County13,7666.0%
MoberlyRandolph County13,7196.0%
MaryvilleNodaway County10,0924.4%
ClintonHenry County9,5044.2%
ChillicotheLivingston County9,1144.0%
BoonvilleCooper County7,8673.5%
TrentonGrundy County5,5572.4%
MaconMacon County5,5322.4%
HigginsvilleLafayette County4,7702.1%
LexingtonLafayette County4,5682.0%
ButlerBates County4,3171.9%
BrookfieldLinn County4,0831.8%
CarrolltonCarroll County3,4991.5%
Knob NosterJohnson County2,9971.3%
BethanyHarrison County2,9561.3%
WindsorHenry County2,8691.3%

Counties Covered by Area Code 660

Geographic county distribution and population coverage across Missouri

County NameTotal Population% of 660 Area% of County
Pettis County43,89411.0%57%
Johnson County55,82410.2%42%
Adair County25,6178.4%75%
Franklin County107,3877.0%15%
Saline County23,2136.8%67%
Randolph County24,3796.6%62%
Henry County22,5655.4%55%
Lafayette County33,4325.1%35%
Cooper County17,1364.7%62%
Nodaway County20,2964.4%50%
Livingston County14,6864.0%62%
Grundy County9,7492.4%57%
Macon County15,1832.4%36%
Howard County10,1312.2%49%
Benton County20,5362.1%23%
Bates County16,4481.9%26%
Linn County11,8741.8%34%
Chariton County7,3901.6%50%
Carroll County8,4131.5%42%
Harrison County8,2361.3%36%
Gentry County6,3101.3%46%
Atchison County5,1671.2%53%
Clark County6,5840.9%30%
Daviess County8,5080.8%22%
Scotland County4,6760.8%38%
Sullivan County5,7620.8%30%
Putnam County4,5620.7%36%
Monroe County8,8570.5%13%
St. Clair County9,8430.5%11%
Knox County3,7080.4%27%
Holt County4,2180.4%24%
Mercer County3,4140.4%28%
DeKalb County9,8820.4%9%

☎️Area Code 660 Exchange Prefixes & Carriers

Showing 50 of 530 central office 3-digit prefixes and assigned telecom carriers

76% Landline15% Wireless10% VoIP
PrefixLine UsageRate CenterAssigned CarrierAssign Date
(660) 200-📞LandlineBUTLEREMBARQ MISSOURI, INC. DBA CENTURYLINK - MON/A
(660) 201-📞LandlinePOLOTWC IP ENABLED SERVICES, LLC04/02/2024
(660) 202-📱WirelessMARSHALLNEW CINGULAR WIRELESS PCS, LLC - IL04/09/2003
(660) 203-📞LandlineALMAGREEN HILLS TELECOMMUNICATIONS SERVICES12/03/2024
(660) 204-📞LandlineSMITHTONLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 205-📞LandlineSWEET SPGLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 206-📞LandlineOTTERVILLELEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 207-📞LandlineAPPLETONCYLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 208-📞LandlineBLAIRSTOWNLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 209-📞LandlineGREENRIDGELEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 210-📞LandlineURICHLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 211-📞LandlineXXXXXXXXXXMULTIPLE OCN LISTINGN/A
(660) 212-📞LandlineLEETONLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 213-📞LandlineLA BELLEMARK TWAIN COMMUNICATIONSN/A
(660) 214-📱WirelessCHILLICOTHNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(660) 215-📱WirelessMARYVILLENEW CINGULAR WIRELESS PCS, LLC - ILN/A
(660) 216-📱WirelessKIRKSVILLEUNITED STATES CELLULAR - MON/A
(660) 217-📱WirelessCOALNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(660) 218-📞LandlineCHILHOWEELEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 219-📞LandlineHOUSTONIALEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 220-📞LandlineMALTA BENDLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 221-📞LandlineSEDALIAAERIAL COMMUNICATIONS, INC.N/A
(660) 222-📞LandlineBYNUMVILLECHARITON VALLEY TEL. CO.N/A
(660) 223-📞LandlineWARSAWLEVEL 3 COMMUNICATIONS, LLC - MO12/12/2001
(660) 224-📱WirelessMARYVILLECELLCO PARTNERSHIP DBA VERIZON WIRELESS - MON/A
(660) 225-📞LandlineCENTERVIEWLEVEL 3 COMMUNICATIONS, LLC - MO08/20/2002
(660) 226-📞LandlineNEWCAMBRIACHARITON VALLEY TEL. CO.N/A
(660) 227-📞LandlineBUTLERAERIAL COMMUNICATIONS, INC.05/31/2002
(660) 228-📞LandlineMONTROSELEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 229-📞LandlineMARSHALLAERIAL COMMUNICATIONS, INC.N/A
(660) 230-📞LandlineCALHOUNLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 231-📞LandlineDEEPWATERLEVEL 3 COMMUNICATIONS, LLC - MO11/04/2003
(660) 232-📞LandlineLEXINGTONAERIAL COMMUNICATIONS, INC.08/13/2001
(660) 233-📞LandlineKNOBNOSTERAERIAL COMMUNICATIONS, INC.12/14/2001
(660) 234-📞LandlineKIRKSVILLECHARITON VALLEY COMMUNICATIONS CORPORATION12/11/2003
(660) 235-📱WirelessSTANBERRYNEW CINGULAR WIRELESS PCS, LLC - IL03/19/2004
(660) 236-📞LandlineMARSHALLSOUTHWESTERN BELL05/10/2001
(660) 237-📞LandlineHIGGINSVLCITIZENS TEL. CO.N/A
(660) 238-📞LandlineWARRENSBGAERIAL COMMUNICATIONS, INC.06/25/2001
(660) 239-📞LandlineATLANTACHARITON VALLEY TEL. CO.N/A
(660) 240-📞LandlineCHILLICOTHLEVEL 3 COMMUNICATIONS, LLC - MO05/10/2001
(660) 241-📞LandlineMARYVILLECSC VOICE, LLC11/04/2013
(660) 242-📞LandlineMONTROSELEVEL 3 COMMUNICATIONS, LLC - MO12/30/2004
(660) 243-📞LandlineWAVERLYLEVEL 3 COMMUNICATIONS, LLC - MO11/07/2003
(660) 244-📞LandlinePURDINGRAND RIVER MUTUAL TEL CON/A
(660) 245-💻VoIPKIRKSVILLEONVOY SPECTRUM, LLC12/13/2024
(660) 246-📞LandlineHARDINLEVEL 3 COMMUNICATIONS, LLC - MO11/07/2003
(660) 247-📱WirelessCHILLICOTHNEW CINGULAR WIRELESS PCS, LLC - ILN/A
(660) 248-📞LandlineFAYETTESOUTHWESTERN BELLN/A
(660) 249-💻VoIPMALTA BENDONVOY, LLC - MON/A

Frequently Asked Questions about Area Code 660

Where is area code 660 located?

Area code 660 is located in Missouri (United States), serving cities like Sedalia, Warrensburg, Kirksville, Washington, Marshall, Moberly, Maryville, Clinton, Chillicothe, Boonville.

What timezone is area code 660?

Area code 660 operates in the Central timezone.

What state is area code 660?

Area code 660 is assigned to the state / telecom territory of Missouri.

Is area code 660 a scam or dangerous?

Area code 660 is an official geographic area code for Missouri. However, beware of robocaller spoofing.

Missouri State Area Codes

View complete directory of telephone area codes assigned to Missouri.

Explore Missouri Directory

Get a 660 Business Phone Number

How to acquire a virtual phone number or business line with area code 660 for local customer trust in Missouri.

Get 660 Business Number
🛡️ Scam & Safety Directory

Check high-risk international callback scam area codes and robocall warning databases.

Scam Area Codes 2026

Overlay & Nearby Area Codes for Missouri

Explore neighboring telecom prefixes sharing geographical boundaries with area code 660.

235
Central
Area Code 235
Columbia, Jefferson City, Cape Girardeau, Rolla, Farmington, Hannibal, Poplar Bluff, Jackson, Sikeston, Fulton
314
Central
Area Code 314
St. Louis, Florissant, University City, Kirkwood, Maryland Heights, Webster Groves, Arnold, Creve Coeur, Ferguson, Clayton
417
Central
Area Code 417
Springfield, Joplin, Nixa, Ozark, Republic, Carthage, Lebanon, Neosho, Webb City, Branson
557
Central
Area Code 557
St. Louis, University City, Kirkwood, Maryland Heights, Webster Groves, Arnold, Creve Coeur, Ferguson, Clayton, Overland
573
Central
Area Code 573
Columbia, Jefferson City, Cape Girardeau, Rolla, Farmington, Hannibal, Poplar Bluff, Jackson, Sikeston, Fulton
636
Central
Area Code 636
O'fallon, St. Charles, St. Peters, Florissant, Wentzville, Chesterfield, Wildwood, Ballwin, Hazelwood, Lake St. Louis