Area code
Area code 959 — Hartford, CT
Connecticut · in service since August 30, 2014
Area code 959 covers parts of Connecticut; the place with the most of its prefixes is Hartford. It is an overlay: 860 serves the same area, so neighbors can have different area codes.
Overlay, same area: 860
Local time in Hartford
Spam reports from Sep 23 – Oct 22, 2026
Average #326 of 461 codes
216 FTC complaints
Consumer reports, not verified by the FTC.
See the reports- Time zoneEastern Time
- Local calls10 digits
- Prefixes177 assigned
- Runs out~1Q 2091
- Unwanted call?Block & report
Spam call reports about 959 numbers
Complaints by week
Sep 11 – Oct 22, 2026Show as table
| Week starting | Complaints |
|---|---|
| Sep 7 (3 days) | 6 |
| Sep 14 | 67 |
| Sep 21 | 87 |
| Sep 28 | 54 |
| Oct 5 | 37 |
| Oct 12 | 45 |
| Oct 19 (4 days) | 32 |
Compared with all codes
- Robocalls
- 88%all codes 75%
- Callers with the same code
- 4%all codes 35%
- Rank by complaints
- #326of 461 · middle half
- FCC complaints, Oct 2025 – Sep 2026
- 591 about text messages
What the calls were about
Sep 11 – Oct 22, 2026
| Subject | Complaints | |
|---|---|---|
| Reducing your debt (credit cards, mortgage, student loans) | 143 44% | |
| Dropped call or no message | 32 10% | |
| Calls pretending to be government, businesses, or family and friends | 19 6% | |
| Medical & prescriptions | 4 1% | |
| Warranties & protection plans | 2 1% | |
| Charities | 1 <1% |
Where the people who complained live
Sep 11 – Oct 22, 2026
| State | Complaints | |
|---|---|---|
| Connecticut | 47 14% | |
| California | 32 10% | |
| Pennsylvania | 23 7% | |
| Florida | 21 6% | |
| Texas | 19 6% |
October 2026 (partial) report · most reported
Consumer reports, not verified by the FTC · source
Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).
Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.
Area code 959 location and prefixes
| Exchange (NANPA) | Place | County | Prefixes |
|---|---|---|---|
| HARTFORD | Hartford | Hartford County | 37 |
| NEWBRITAIN | New Britain | Hartford County | 8 |
| NEW LONDON | New London | New London County | 7 |
| NORWICH | Norwich | New London County | 6 |
| TORRINGTON | Torrington | Litchfield County | 6 |
| WILLIMNTIC | Willimantic | Windham County | 6 |
| BRISTOL | Bristol | Hartford County | 4 |
| DEEP RIVER | — | — | 4 |
| GLASTONBY | Glastonbury Center | Hartford County | 4 |
| SOUTHINGTN | — | — | 4 |
Plus 43 smaller exchange areas.
Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).
NANPA record
- Location
- Connecticut
- Assigned by NANPA
- October 4, 1999
- Local dialing
- 10 digits (NANPA: 10D)
- NANPA planning letters
- PL-456, PL-255, PL-217
Source: NANPA, NPA database of Oct 24, 2026.
Is 959 running out of numbers?
Previous forecast (October 2025): 2077, moved later by 14 years.
Forecast exhaust year by edition
Source: NANPA NRUF forecast, April 2026 edition.
Who holds 959 prefixes
The five largest of 34 original holders
As listed by NANPA, not today’s carrier.
| Holder (as listed) | Prefixes | |
|---|---|---|
| Onvoy, LLC | 46 26% | |
| Ton80 Communications, LLC | 27 15% | |
| Omnipoint Communications, Inc. | 14 8% | |
| Verizon Wireless | 14 8% | |
| Multiple Ocn Listing | 9 5% |
Source: NANPA CO codes of Oct 23, 2026.
Questions about area code 959
What area code is 959?
A Connecticut area code, in service since August 30, 2014.
Where is 959 area code, and what time zone is it in?
Hartford, CT; Eastern Time.
Why am I getting spam calls from 959?
216 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).
Will 959 get a new area code?
NANPA forecasts exhaust in 1Q 2091; no relief planning listed.