860 area code — Hartford, CT geographic
- State
- Connecticut
- Major area
- Hartford
- Time zone
- Eastern
- In service since
- 1995-08-28
- Split from
- 203
- Overlay complex
- 860 / 959
- Active prefixes
- 781
- Rate centers
- 57
- Carriers
- 22
- Projected exhaust
- 1Q 2091
Phone numbers beginning 860 are registered to the Hartford area of Connecticut (Eastern time zone). The code entered service on August 28, 1995. Together with 959 it forms the 860/959 overlay. Because of number portability and VoIP, the area code tells you where the number was issued, not where the caller is right now.
NANPA lists 781 active NXX prefixes in 860, assigned to 22 carriers. 525 of those prefixes are pooled — shared between carriers in thousands-number blocks. The code spans 57 rate centers (billing localities).
If a 860 call asks for money or personal data, treat the displayed number as unverified: hang up and reach the organization through its published number. Numbering data locates numbers, not callers.
Its parent code is 203, which it left in 1995. Later relief produced 959 (2014) from its territory.
Official projections put exhaust for the 860/959 complex at 1Q 2091.
The dialing plan is 10D for home-NPA local calls and 10D across codes.
Among Connecticut codes, 860 stands out as covers more rate centers (57) than any other Connecticut area code.
Largest localities in 860
| Locality (rate center) | Active prefixes | Also served by |
|---|---|---|
| Hartford | 260 | 959 |
| New London | 40 | 959 |
| Norwich | 35 | 959 |
| Middletown | 28 | 959 |
| New Britain | 26 | 959 |
| Windsor | 20 | — |
| Farmington | 20 | 959 |
| Manchester | 20 | 959 |
| Willimantic | 19 | 959 |
| Southington | 19 | 959 |
FAQ
Will 860 run out of numbers?
NANPA's current forecast projects exhaust in 1Q 2091 — decades of capacity remain.
Why am I getting spam calls from 860 numbers?
Scammers spoof recognizable area codes so calls look local or familiar. A displayed 860 number does not prove the call originated there — see our guide to spotting spoofed calls.
Where is a 860 number from?
860 is assigned to Hartford and surrounding areas of Connecticut in the Eastern time zone. The three digits after the area code (the prefix) narrow it down to a rate center.