The 860 area code covers Hartford, New London and 51 more places in Connecticut.
Area code 860 is in Connecticut, on Eastern Time. In the 860 area, phone numbers are given out most in Capitol Region, then Southeastern Connecticut and Lower Connecticut River Valley counties. It has been in service since August 28, 1995. 959 covers the same area, so two neighbours can have different area codes.
- Where
- 7 counties in Connecticut, mostly Capitol Region, Southeastern Connecticut County and Lower Connecticut River Valley County
- Time zone
- Eastern Time
- In service since
- August 28, 1995
- Shares its area with
- 959 (since 2014)
- Prefixes in use
- 781
- How to dial
- Local calls need all 10 digits: 860-555-0142.
Find out who called you from an 860 number.
Enter the full 10-digit number to see who it is listed to and the city and state on the listing. It is the same free check as our who called me lookup. To see only the caller ID name on the number, use our free CNAM lookup. To see whether it is a mobile, a landline or a VoIP line, use our free VoIP checker. To see which carrier a (860) number is on today, use our free carrier lookup.
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Hartford holds 33% of the phone prefixes in area code 860.
A prefix is the three digits after the area code, and NANPA assigns each one to a town. Counting the 781 prefixes in use shows where 860 numbers are actually given out.
- Hartford260 prefixes, 33%
- New London40 prefixes, 5%
- Norwich35 prefixes, 4%
- Middletown28 prefixes, 4%
- New Britain26 prefixes, 3%
- Windsor20 prefixes, 3%
- Farmington20 prefixes, 3%
- Manchester20 prefixes, 3%
Also served: Willimantic, Southington, Enfield and Glastonbury and 41 smaller places.
Frontier holds the most phone number prefixes in area code 860: 324 of 781.
NANPA, which runs the North American numbering plan, assigns each prefix (the three digits after the area code) to one carrier. Here is how the 781 prefixes in use in 860 divide between carriers; holders this page does not name are grouped as other carriers.
| Carrier | Prefixes | Share |
|---|---|---|
| FrontierLandline company | 324 | 41% |
| Teleport (AT&T)AT&T's business phone network | 56 | 7% |
| PAETEC (Windstream)Windstream's business phone network | 50 | 6% |
| AT&T MobilityMobile network | 44 | 6% |
| Metro by T-MobileT-Mobile's prepaid brand | 29 | 4% |
| Level 3 (Lumen)Lumen's business and wholesale network | 28 | 4% |
| 16 other carriers | 250 | 32% |
67% of these prefixes are pooled, which means the blocks of 1,000 numbers inside them can belong to other carriers. Any number can also have been moved to another carrier since, so this shows who holds the prefixes, not who serves a given number.
Want the carrier of one exact number? Our free carrier lookup checks it, because numbers move between carriers.
Source: NANPA central office code assignments, October 1, 2026.
860 has been overlaid once since 1995.
1995
860 starts on August 28, 1995, split off from 203.
2014
On August 30, 2014, 959 is added on top of 860, so new numbers here can get either code.
An 860 number on your screen can still be a scam, because caller ID is easy to fake.
- Let an unknown call go to voicemail. A real caller leaves a message; a robocaller usually does not.
- Look the number up with the box above before you call back, because calling back tells a robocaller your line is live.
- Hang up on anyone who wants gift cards, crypto or a wire transfer, or asks you to read out a code that was just texted to you.
- Report unwanted robocalls at reportfraud.ftc.gov, or paste a suspicious message into our free scam checker.
The area codes closest to 860 are 203, 413 and 631.
This list measures the distance between the centres of each area, across state lines, and shows codes that share one area together.
These are the questions people ask most about area code 860.
Where is area code 860?
860 covers Hartford, New London, Norwich and Middletown and 49 more places in Connecticut. In the 860 area, phone numbers are given out most in Capitol Region, then Southeastern Connecticut and Lower Connecticut River Valley counties.
What state is area code 860 in?
Connecticut. 860 is a Connecticut area code on Eastern Time.
What cities use area code 860?
The places holding the most 860 prefixes are Hartford, New London, Norwich, Middletown, New Britain, Windsor, Farmington and Manchester, out of 53 places in all. The count comes from NANPA's prefix assignments as of October 1, 2026.
Which phone company owns area code 860?
No single phone company owns 860. NANPA's records show Frontier holds the most 860 prefixes, 324 of 781, followed by Teleport (AT&T) and PAETEC (Windstream). Numbers move between carriers, so check one exact number with a carrier lookup.
What time zone is area code 860 in?
860 is on Eastern Time.
When did area code 860 start?
860 went into service on August 28, 1995, when it was split off from 203.
Is 860 the same area as 959?
Yes. 959 (since 2014) covers the same ground as 860. Nobody's number changed when it was added; new lines simply get whichever code has numbers left, so two neighbours can have different codes.
How do I dial an 860 number?
Local calls need all 10 digits: 860-555-0142.
Is 860 a toll-free number?
No. 860 is a regular area code for Hartford and New London in Connecticut, not a toll-free one. The toll-free codes in North America are 800, 833, 844, 855, 866, 877 and 888.
What area codes are near 860?
The closest are 203/475 (New Haven, Connecticut), 413 (Springfield, Massachusetts), 631/934 (Brentwood, New York) and 401 (Providence, Rhode Island), measured between the centres of each area.
Who called me from an 860 number?
Enter the full 10-digit number in the lookup above. It returns the listed owner where there is a public record, where the number is registered, and whether it is a mobile, a landline or a VoIP line.
Is area code 860 a scam?
860 is a real Connecticut area code, so the code itself is not a warning sign. Scam callers fake local-looking numbers on purpose, so judge the call by what the caller asks for, and look the number up before calling back.
Put this lookup on your site: our free area code widget takes two lines of code and shows any US area code's state, time zone and local time.
Source: NANPA, the North American Numbering Plan Administrator: its area code database and prefix assignments, as of October 1, 2026.