Area Code 860
Hartford, Connecticut · United States
Split from 203. Rest of Connecticut outside southwest. Overlay 959 (2014).
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.
| City | County | Population | % of 860 |
|---|---|---|---|
| Hartford, CT | Hartford | 121,054 | 11.8% |
| Bridgeport, CT | Fairfield | 148,654 | 14.5% |
| New Haven, CT | New Haven | 135,081 | 13.1% |
| Stamford, CT | Fairfield | 135,470 | 13.2% |
| Waterbury, CT | New Haven | 114,403 | 11.1% |
| Norwalk, CT | Unknown | 91,184 | 8.9% |
| Danbury, CT | Unknown | 86,832 | 8.4% |
| New Britain, CT | Unknown | 74,135 | 7.2% |
| Bristol, CT | Unknown | 60,833 | 5.9% |
| Meriden, CT | Unknown | 60,838 | 5.9% |
| County | Population | % of 860 | % of County |
|---|---|---|---|
| Hartford, CT | 897,575 | 25% | 53% |
| Fairfield, CT | 956,445 | 26.7% | 58% |
| New Haven, CT | 855,196 | 23.8% | 86% |
| New London, CT | 266,064 | 7.4% | 63% |
| Litchfield, CT | 180,446 | 5% | 69% |
| Middlesex, CT | 164,440 | 4.6% | 92% |
| Tolland, CT | 149,675 | 4.2% | 78% |
| Windham, CT | 116,318 | 3.2% | 81% |
| Prefix | City | Carrier | Assigned |
|---|---|---|---|
| 860-200 | Hartford | Verizon Wireless | 1988 |
| 860-222 | Norwalk | Spectrum | 1998 |
| 860-244 | Hartford | Cable One | 1999 |
| 860-266 | Bridgeport | Cox Communications | 2016 |
| 860-288 | Hartford | Cox Communications | 2000 |
| 860-310 | Hartford | Cox Communications | 1998 |
| 860-332 | Hartford | AT&T Mobility | 1984 |
| 860-354 | Hartford | Frontier Communications | 2012 |
| 860-376 | Hartford | AT&T Mobility | 2005 |
| 860-398 | Hartford | CenturyLink | 1984 |
| 860-420 | Hartford | Sprint | 1991 |
| 860-442 | New Britain | AT&T Mobility | 1995 |
| 860-464 | Hartford | Verizon Wireless | 2020 |
| 860-486 | Danbury | Comcast | 1992 |
| 860-508 | Hartford | Cable One | 2002 |
| 860-530 | Hartford | Sprint | 2016 |
| 860-552 | Hartford | AT&T Mobility | 2002 |
| 860-574 | Bridgeport | Cable One | 2011 |
| 860-596 | Hartford | AT&T Mobility | 2012 |
| 860-618 | Stamford | Comcast | 2014 |
| 860-640 | Hartford | T-Mobile USA | 1999 |
| 860-662 | Norwalk | Spectrum | 1993 |
| 860-684 | Hartford | Sprint | 1991 |
| 860-706 | Hartford | Spectrum | 1978 |
| 860-728 | Hartford | CenturyLink | 1987 |
| 860-750 | Hartford | Cable One | 2022 |
| 860-772 | Bridgeport | AT&T Mobility | 1998 |
| 860-794 | Hartford | Bandwidth.com | 2011 |
| 860-816 | Hartford | Sprint | 1994 |
| 860-838 | Hartford | Comcast | 1988 |
| 860-860 | Hartford | Frontier Communications | 1988 |
| 860-882 | Hartford | Cable One | 2001 |
| 860-904 | Hartford | Frontier Communications | 1983 |
| 860-926 | Hartford | Spectrum | 2006 |
| 860-948 | Hartford | Spectrum | 1993 |
| 860-970 | Hartford | CenturyLink | 1979 |
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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