Every US area code, explainedUnited States · +1
Area Code Contact ES
Menu
AREA CODE · NORTH CAROLINA

Area code 743

Area code 743 covers Greensboro, North Carolina. Map, time zone, overlays, carriers, the full list of prefixes and how to dial it.

State: North Carolina Major City: Greensboro Eastern Time (ET) Overlay: 336/743
01 / WHERE IT IS

Where is area code 743?

Area code 743 is assigned to Greensboro and the surrounding region in North Carolina. Calls to numbers that start with 743 are routed to this area.

Area code 743 shares its territory with 336. Because it is an overlay, local calls require dialing all 10 digits.

Counties covered

Guilford CountyForsyth CountyDavidson CountyAlamance CountyRandolph CountySurry CountyRockingham CountyCaswell CountyStokes County

Line types

  • Mobile 22.58%
  • Landline 77.42%
02 / MAP

Area code 743 on the map

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

Loading…

© OpenStreetMap contributors

03 / LOCAL TIME

Current time in Greensboro

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

Local timeGreensboro, NC--:--:--

Loading…

America/New_YorkLive
04 / HOW TO DIAL

How to call Greensboro

WITHIN THE US743 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+1 743 XXX XXXX

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

WHATSAPP / IMESSAGE+1 743 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+1 743 555 0123
🇪🇸🇲🇽Spain / Mexico00 1 743 555 0123
🇦🇺Australia0011 1 743 555 0123
🇯🇵Japan010 1 743 555 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 743

Share of the number blocks by carrier and line type.

Landline

Sinch
28%
CoreTel Communications
18%
Fractel
9%
Bandwidth
8%
Spectrum
6%
Others
32%

Mobile

Verizon Wireless
34%
Sinch
26%
T-Mobile USA
20%
AT&T Mobility
9%
Boost Mobile
9%
Others
3%

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 743

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

PrefixTypeCityCarrier
(743) 200 Landline Gatewood SinchONVOY, LLC - NC
(743) 201 Landline High Point Lumen TechnologiesLEVEL 3 COMMUNICATIONS, LLC - NC
(743) 202 Mobile Lexington Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC
(743) 203 Landline Summerfield BandwidthBANDWIDTH.COM CLEC, LLC - NC
(743) 205 Landline Burlington BandwidthBANDWIDTH.COM CLEC, LLC - NC
(743) 206 Landline Reeds SpectrumTWC IP ENABLED SERVICES, LLC
(743) 207 Mobile Winston-Salem Verizon WirelessCELLCO PARTNERSHIP DBA VERIZON WIRELESS - NC
(743) 208 Landline Burlington VonageVONAGE AMERICA LLC
(743) 209 Mobile Greensboro OptimumCSC WIRELESS, LLC
(743) 210 Landline Walkertown Metro by T-MobileMETROPCS, INC.

Showing 10 of 155 prefixes

07 / FAQ

Frequently asked questions about area code 743

Where is area code 743 used?
Area code 743 serves Greensboro and the surrounding area in North Carolina, including Guilford County, Forsyth County, Davidson County, Alamance County, Randolph County.
What city is area code 743 from?
The main city of area code 743 is Greensboro, NC.
What time zone is area code 743 in?
Area code 743 is in the Eastern Time (ET) time zone (America/New_York).
Is 743 an overlay area code?
Yes. It shares its territory with 336. In an overlay, every call requires dialing all 10 digits.
How do I call a number with area code 743 from the United States?
Dial the 10 digits: 743 + 7-digit number. For some long-distance calls from a landline you may need to add a 1 first.
How do I call a 743 number from another country?
Dial your country's exit code (or +), then 1, then 743 and the seven-digit number. From a mobile you can use +1 743 XXX XXXX.
Which carriers use area code 743?
Most landline blocks belong to Sinch and most mobile blocks to Verizon Wireless. The carrier shown is the original assignment and may differ today because of number portability.
Is area code 743 for landlines, mobiles or both?
Both. About 77.42% of the number blocks are landline, 22.58% mobile.
How do I save a 743 number in WhatsApp or my phone?
Save it in international format: +1 743 XXX XXXX. That way WhatsApp, iMessage and Telegram recognize it from any country.
Is it safe to answer calls from area code 743?
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

Nearby area codes

276Abingdon, VA434Charlottesville, VA540Roanoke, VA826Harrisonburg, VA803Columbia, SC864Greenville, SC

Other area codes in North Carolina

252 · Greenville336 · Greensboro472 · Laurinburg704 · Charlotte828 · Asheville910 · Fayetteville919 · Raleigh980 · Charlotte984 · Raleigh

View all North Carolina area codes →