Area Code 801

About Area Code 801

Area code 801 is a geographic telephone area code assigned to Salt Lake City, Utah. It operates in the Mountain time zone and was first introduced in 1947. Original NANP code. Wasatch Front Utah. Overlay 385 (2009).

Within Utah, area code 801 shares numbering capacity with 2 other area codes. The state's 3,426,397-person population (2023 Census Bureau estimate) is served by a combined 3 active codes, with 801 primarily responsible for the Salt Lake City region. Utah's state capital is Salt Lake City, and its largest city is Salt Lake City.

When you receive a call from a 801 number on your Caller ID, the call originated from a phone number assigned to the 801 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 801 only confirms where the number was originally assigned.

Where is the 801 area code located?

Area code 801 is assigned to Salt Lake City, Utah, in the Mountain time zone. The state of Utah uses 3 active area codes, and 801 is one of them. Calls placed from the 801 area code originate from numbers assigned by NANPA — the North American Numbering Plan Administrator — and the 801 prefix appears on Caller ID for both landline and wireless calls placed from this region.

The Mountain time zone observes Daylight Saving Time, shifting from UTC-7 to UTC-6 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 801 area code?

The 801 area code serves 11 notable cities, listed below in order of population. The largest city in the 801 territory is Salt Lake City (200,133 residents in Salt Lake County).

• Salt Lake City, UT — 200,133 residents (17% of 801 numbers)
• West Valley City, UT — 140,230 residents (11.9% of 801 numbers)
• Provo, UT — 115,162 residents (9.8% of 801 numbers)
• West Jordan, UT — 116,286 residents (9.9% of 801 numbers)
• Orem, UT — 98,129 residents (8.3% of 801 numbers)
• Sandy, UT — 95,799 residents (8.2% of 801 numbers)
• St. George, UT — 95,225 residents (8.1% of 801 numbers)
• Ogden, UT — 89,797 residents (7.6% of 801 numbers)
• Layton, UT — 82,701 residents (7% of 801 numbers)
• South Jordan, UT — 78,217 residents (6.7% of 801 numbers)

Phone number format in area code 801

All phone numbers within area code 801 follow the standard North American 10-digit format:(801) 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 + 801 + 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 801 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 801

Original NANP code. Wasatch Front Utah. Overlay 385 (2009).

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 801 area code safe to answer?

Area code 801 itself is a normal geographic code with no elevated spam risk. That said, scammers can spoof any area code — including 801 — so if you don't recognize the full number, let it go to voicemail and verify the caller's identity before calling back.