Area Code 803

About Area Code 803

Area code 803 is a geographic telephone area code assigned to Columbia, South Carolina. It operates in the Eastern time zone and was first introduced in 1947. Original NANP code. Central South Carolina. Overlay 839 (2020).

Within South Carolina, area code 803 shares numbering capacity with 3 other area codes. The state's 5,374,524-person population (2023 Census Bureau estimate) is served by a combined 4 active codes, with 803 primarily responsible for the Columbia region. South Carolina's state capital is Columbia, and its largest city is Charleston.

When you receive a call from a 803 number on your Caller ID, the call originated from a phone number assigned to the 803 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 803 only confirms where the number was originally assigned.

Where is the 803 area code located?

Area code 803 is assigned to Columbia, South Carolina, in the Eastern time zone. The state of South Carolina uses 4 active area codes, and 803 is one of them. Calls placed from the 803 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 803 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 803 area code?

The 803 area code serves 8 notable cities, listed below in order of population. The largest city in the 803 territory is Columbia (137,300 residents in Boone County).

• Columbia, SC — 137,300 residents (18.4% of 803 numbers)
• Charleston, SC — 150,227 residents (20.2% of 803 numbers)
• North Charleston, SC — 119,304 residents (16% of 803 numbers)
• Mount Pleasant, SC — 92,797 residents (12.5% of 803 numbers)
• Rock Hill, SC — 75,048 residents (10.1% of 803 numbers)
• Greenville, SC — 72,310 residents (9.7% of 803 numbers)
• Summerville, SC — 54,437 residents (7.3% of 803 numbers)
• Sumter, SC — 42,945 residents (5.8% of 803 numbers)

Phone number format in area code 803

All phone numbers within area code 803 follow the standard North American 10-digit format:(803) 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 + 803 + 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 803 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 803

Original NANP code. Central South Carolina. Overlay 839 (2020).

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 803 area code safe to answer?

Area code 803 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 803 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.