660 covers Kirksville, Moberly, Maryville and more, on Central time. Paste a 660 number to see whether it is valid, mobile or landline, and whether it has been reported.
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By number of exchanges assigned to each rate centre — where most 660 numbers were issued.
The carrier each block of numbers was assigned to. A number that has been ported keeps its digits and changes network, so this is where a 660 number started, not necessarily where it is today.
Between Aug 25, 2026 and Oct 15, 2026, consumers filed 449 complaints with the FTC about 430 different 660 numbers; 65% were recorded messages. A caller ID can be spoofed, so a complaint against a number is evidence about calls showing that number, not proof about its owner. How 660 compares with other area codes →
Calling a list of 660 numbers? Check up to 20 at once on the free call list cleaner — line type, carrier and complaint history for each — or one number on the spam phone checker.
660 is in Missouri, United States. Its busiest exchanges are in Kirksville, Moberly, Maryville, Sedalia.
Central (UTC−6, UTC−5 in summer).
Dial your exit code, then 1, then 660 and the seven-digit number: +1 660 XXX XXXX. Stored for a dialer or CRM, that is +1660XXXXXXX in E.164.
The area code says nothing on its own — spammers spoof local codes so the call looks familiar. In the FTC's complaint files since Aug 25, 2026, 430 different 660 numbers were reported. Check the exact number with the free lookup above.