Area Code 743

About Area Code 743

Area code 743 is a geographic telephone area code assigned to Greensboro, North Carolina. It operates in the Eastern time zone and was first introduced in 2014. Overlay for 336. Piedmont Triad of North Carolina.

Within North Carolina, area code 743 shares numbering capacity with 8 other area codes. The state's 10,835,491-person population (2023 Census Bureau estimate) is served by a combined 9 active codes, with 743 primarily responsible for the Greensboro region. North Carolina's state capital is Raleigh, and its largest city is Charlotte.

When you receive a call from a 743 number on your Caller ID, the call originated from a phone number assigned to the 743 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 743 only confirms where the number was originally assigned.

Where is the 743 area code located?

Area code 743 is assigned to Greensboro, North Carolina, in the Eastern time zone. The state of North Carolina uses 9 active area codes, and 743 is one of them. Calls placed from the 743 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 743 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 743 area code?

The 743 area code serves 11 notable cities, listed below in order of population. The largest city in the 743 territory is Greensboro (299,035 residents in Guilford County).

• Greensboro, NC — 299,035 residents (9.9% of 743 numbers)
• Charlotte, NC — 897,720 residents (29.7% of 743 numbers)
• Raleigh, NC — 469,124 residents (15.5% of 743 numbers)
• Durham, NC — 288,124 residents (9.5% of 743 numbers)
• Winston-Salem, NC — 250,765 residents (8.3% of 743 numbers)
• Fayetteville, NC — 209,469 residents (6.9% of 743 numbers)
• Cary, NC — 174,721 residents (5.8% of 743 numbers)
• Wilmington, NC — 123,784 residents (4.1% of 743 numbers)
• High Point, NC — 114,086 residents (3.8% of 743 numbers)
• Greenville, NC — 88,761 residents (2.9% of 743 numbers)

Phone number format in area code 743

All phone numbers within area code 743 follow the standard North American 10-digit format:(743) 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 + 743 + 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 743 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 743

Overlay for 336. Piedmont Triad of North Carolina.

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 743 area code safe to answer?

Area code 743 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 743 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.