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860

Area Code 860

Hartford, Connecticut · United States

Geographic Eastern Since 1995

Split from 203. Rest of Connecticut outside southwest. Overlay 959 (2014).

Current Time in 860
3:36 AM
Saturday, August 8, 2026
UTC OffsetUTC-5
Daylight SavingObserved
IANA ZoneAmerica/New_York
Primary city
Hartford
State / Province
Connecticut
Country
United States
Approx. users
2,868,927
860 Area Code Coverage Map
Approximate coverage area for the 860 area code in Connecticut.
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Hartford, Connecticut · Area code 860
Counties Served
8 counties fully or partially covered by area code 860.
Hartford, CT897,575
25%
Fairfield, CT956,445
26.7%
New Haven, CT855,196
23.8%
New London, CT266,064
7.4%
Litchfield, CT180,446
5%
Middlesex, CT164,440
4.6%
Tolland, CT149,675
4.2%
Windham, CT116,318
3.2%

About Area Code 860

Area code 860 is a geographic telephone area code assigned to Hartford, Connecticut. It operates in the Eastern time zone and was first introduced in 1995. Split from 203. Rest of Connecticut outside southwest. Overlay 959 (2014).

Within Connecticut, area code 860 shares numbering capacity with 3 other area codes. The state's 3,617,176-person population (2023 Census Bureau estimate) is served by a combined 4 active codes, with 860 primarily responsible for the Hartford region. Connecticut's state capital is Hartford, and its largest city is Bridgeport.

When you receive a call from a 860 number on your Caller ID, the call originated from a phone number assigned to the 860 area code — but be aware that Local Number Portability (in effect since 2003) means the caller could be physically located anywhere in the US or Canada. Area code 860 only confirms where the number was originally assigned.

Where is the 860 area code located?

Area code 860 is assigned to Hartford, Connecticut, in the Eastern time zone. The state of Connecticut uses 4 active area codes, and 860 is one of them. Calls placed from the 860 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 860 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Eastern time zone observes Daylight Saving Time, shifting from UTC-5 to UTC-4 in summer. The local time shown above is always current, so you can quickly check whether it's a reasonable hour to call back.

What cities and counties use the 860 area code?

The 860 area code serves 10 notable cities, listed below in order of population. The largest city in the 860 territory is Hartford (121,054 residents in Hartford County).

  • Hartford, CT — 121,054 residents (11.8% of 860 numbers)
  • Bridgeport, CT — 148,654 residents (14.5% of 860 numbers)
  • New Haven, CT — 135,081 residents (13.1% of 860 numbers)
  • Stamford, CT — 135,470 residents (13.2% of 860 numbers)
  • Waterbury, CT — 114,403 residents (11.1% of 860 numbers)
  • Norwalk, CT — 91,184 residents (8.9% of 860 numbers)
  • Danbury, CT — 86,832 residents (8.4% of 860 numbers)
  • New Britain, CT — 74,135 residents (7.2% of 860 numbers)
  • Bristol, CT — 60,833 residents (5.9% of 860 numbers)
  • Meriden, CT — 60,838 residents (5.9% of 860 numbers)

Phone number format in area code 860

All phone numbers within area code 860 follow the standard North American 10-digit format:(860) NXX-XXXX. The NXX is the central office prefix (also called an "exchange") and XXXX is the subscriber line number. For long-distance calls within the NANP, dial 1 + 860 + NXX + XXXX. From outside North America, dial your country's international access code, then 1 (the NANP country code), then the 10-digit number.

If you need to verify whether a specific 860 number is wireless, landline, or VoIP, you can use our reverse phone lookup tool. Be aware that number portability means the area code no longer guarantees the caller's physical location — only where the number was first assigned.

History of area code 860

Split from 203. Rest of Connecticut outside southwest. Overlay 959 (2014).

The original 86 area codes were assigned by AT&T and Bell Labs in 1947 as part of the North American Numbering Plan. At the time, rotary-dial phones meant codes with lower digits (like 212 for NYC, 213 for LA, 312 for Chicago) were given to the largest cities because they took less time to dial. Today's area code assignments still reflect those early choices, even though touch-tone and cell phones made the original reason obsolete.

Is the 860 area code safe to answer?

Area code 860 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 860 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.

Top 10 Cities in Area Code 860
Cities served by the 860 area code, ranked by 2022 ACS population.
CityCountyPopulation% of 860
Hartford, CTHartford121,05411.8%
Bridgeport, CTFairfield148,65414.5%
New Haven, CTNew Haven135,08113.1%
Stamford, CTFairfield135,47013.2%
Waterbury, CTNew Haven114,40311.1%
Norwalk, CTUnknown91,1848.9%
Danbury, CTUnknown86,8328.4%
New Britain, CTUnknown74,1357.2%
Bristol, CTUnknown60,8335.9%
Meriden, CTUnknown60,8385.9%
Counties in Area Code 860
County-level population data from the 2022 ACS 5-year estimates. "% of 860" shows the share of 860 phone exchanges in each county.
CountyPopulation% of 860% of County
Hartford, CT897,57525%53%
Fairfield, CT956,44526.7%58%
New Haven, CT855,19623.8%86%
New London, CT266,0647.4%63%
Litchfield, CT180,4465%69%
Middlesex, CT164,4404.6%92%
Tolland, CT149,6754.2%78%
Windham, CT116,3183.2%81%
Carrier Market Share in Area Code 860
Approximate share of assigned 860 numbers by carrier, based on FCC number-pooling data.
Cellco Partnership (Verizon Wireless)30%
Wireless
T-Mobile USA22%
Wireless
AT&T Mobility18%
Wireless
Comcast (Xfinity)8%
Cable
Frontier Communications6%
Landline
CenturyLink (Lumen)6%
Landline
Bandwidth.com (VoIP)5%
VoIP
Cox Communications3%
Cable
Spectrum (Charter)2%
Cable
Sample Prefixes in Area Code 860
A selection of 860 exchanges (NXX prefixes) with their assigned city and carrier.
PrefixCityCarrierAssigned
860-200HartfordVerizon Wireless1988
860-222NorwalkSpectrum1998
860-244HartfordCable One1999
860-266BridgeportCox Communications2016
860-288HartfordCox Communications2000
860-310HartfordCox Communications1998
860-332HartfordAT&T Mobility1984
860-354HartfordFrontier Communications2012
860-376HartfordAT&T Mobility2005
860-398HartfordCenturyLink1984
860-420HartfordSprint1991
860-442New BritainAT&T Mobility1995
860-464HartfordVerizon Wireless2020
860-486DanburyComcast1992
860-508HartfordCable One2002
860-530HartfordSprint2016
860-552HartfordAT&T Mobility2002
860-574BridgeportCable One2011
860-596HartfordAT&T Mobility2012
860-618StamfordComcast2014
860-640HartfordT-Mobile USA1999
860-662NorwalkSpectrum1993
860-684HartfordSprint1991
860-706HartfordSpectrum1978
860-728HartfordCenturyLink1987
860-750HartfordCable One2022
860-772BridgeportAT&T Mobility1998
860-794HartfordBandwidth.com2011
860-816HartfordSprint1994
860-838HartfordComcast1988
860-860HartfordFrontier Communications1988
860-882HartfordCable One2001
860-904HartfordFrontier Communications1983
860-926HartfordSpectrum2006
860-948HartfordSpectrum1993
860-970HartfordCenturyLink1979
Frequently Asked Questions about Area Code 860

Need to look up a specific 860 number?

Use our free reverse phone lookup to identify the carrier and line type for any 10-digit 860 number.

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