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AREA CODE · CONNECTICUT

Area code 959

Area code 959 covers Hartford, Connecticut. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: Connecticut Major City: Hartford Eastern Time (ET) Overlay: 860/959
01 / WHERE IT IS

Where is area code 959?

Area code 959 is assigned to Hartford and the surrounding region in Connecticut. Calls to numbers that start with 959 are routed to this area.

Area code 959 shares its territory with 860. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Capitol Planning RegionSoutheastern Connecticut Planning RegionLower Connecticut River Valley Planning RegionNorthwest Hills Planning RegionNortheastern Connecticut Planning RegionNaugatuck Valley Planning Region

Line types

  • Mobile 24.36%
  • Landline 75.64%
02 / MAP

Area code 959 on the map

The shaded area joins the code’s numbering centers; the marker shows its main city.

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© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Hartford

This area code is in the Eastern Time (ET) time zone.

Local timeHartford, CT--:--:--

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America/New_YorkLive
04 / HOW TO DIAL

How to call Hartford

WITHIN THE US959 XXX XXXX

Always 10 digits — landline, mobile or VoIP. Local, long distance or a different state: the format is always the same. You do not need to dial the 1 first.

FROM ABROAD+1 959 XXX XXXX

Exit codes: 00 Europe/Mexico · 011 Canada · 010 Japan · + universal

WHATSAPP / IMESSAGE+1 959 XXX XXXX

Always save the number in international format so messaging apps recognize it correctly:

Call typeTraditional landlineMobile / VoIP
Local (same area code)10 digits10 digits
US long distance1 + 10 digits10 digits
Emergency911911
🌐Universal+1 959 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 959 555 0123
🇦🇺Australia0011 1 959 555 0123
🇯🇵Japan010 1 959 555 0123
HAVE THE FULL NUMBER?

Learn more about that number.

Check the line type and the carrier the number block was originally assigned to.

10 digits to see the carrier and line type of the number

05 / CARRIERS

Carriers in area code 959

Share of the number blocks by carrier and line type.

Landline

Sinch
36%
CoreTel Communications
23%
Fractel
7%
AT&T
6%
Bandwidth
4%
Others
25%

Mobile

T-Mobile USA
34%
Verizon Wireless
29%
Sinch
24%
AT&T Mobility
8%
Boost Mobile
5%

Carrier shown is the original assignment of each number block and may differ today because of number portability.

06 / PREFIXES

Complete list of prefixes for area code 959

156 number blocks (NXX) assigned in this area code.

PrefixTypeCityCarrier
(959) 200 Landline Hartford Lumen TechnologiesCENTURYLINK COMMUNICATIONS, LLC
(959) 201 Landline New London AT&TTELEPORT COMMUNICATIONS AMERICA, LLC - CT
(959) 202 Landline Torrington Metro by T-MobileMETROPCS, INC.
(959) 203 Landline Farmington SinchONVOY, LLC - CT
(959) 204 Landline Hartford RingCentralRCLEC, INC.
(959) 205 Landline Hartford Exiant CommunicationsEXIANT COMMUNICATIONS LLC
(959) 206 Landline Hartford VonageVONAGE AMERICA LLC
(959) 207 Landline Colchester BandwidthBANDWIDTH.COM CLEC, LLC - CT
(959) 208 Mobile New Britain T-Mobile USAOMNIPOINT COMMUNICATIONS, INC. - CT
(959) 209 Landline Watertown OptimumCSC VOICE, LLC

Showing 10 of 156 prefixes

07 / FAQ

Frequently asked questions about area code 959

Where is area code 959 used?
Area code 959 serves Hartford and the surrounding area in Connecticut, including Capitol Planning Region, Southeastern Connecticut Planning Region, Lower Connecticut River Valley Planning Region, Northwest Hills Planning Region, Northeastern Connecticut Planning Region.
What city is area code 959 from?
The main city of area code 959 is Hartford, CT.
What time zone is area code 959 in?
Area code 959 is in the Eastern Time (ET) time zone (America/New_York).
Is 959 an overlay area code?
Yes. It shares its territory with 860. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 959 from the United States?
Dial the 10 digits: 959 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 959 number from another country?
Dial your country's exit code (or +), then 1, then 959 and the seven-digit number. From a mobile you can use +1 959 XXX XXXX.
Which carriers use area code 959?
Most landline blocks belong to Sinch and most mobile blocks to T-Mobile USA. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 959 for landlines, mobiles or both?
Both. About 75.64% of the number blocks are landline, 24.36% mobile.
How do I save a 959 number in WhatsApp or my phone?
Save it in international format: +1 959 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 959?
The area code only shows the region a number was assigned to; it does not tell you who is calling. Scammers can fake any area code, so do not share personal or banking information with unknown callers, and let unknown numbers go to voicemail.
KEEP EXPLORING

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Other area codes in Connecticut

203 · Bridgeport475 · Bridgeport860 · Hartford

View all Connecticut area codes →