How many area codes does Utah have?

Utah has 3 active geographic area codes in the North American Numbering Plan: 385, 435, 801. Each code serves a distinct region or acts as an overlay for a high-demand metro area.

What is the oldest area code in Utah?

The oldest area code in Utah is 801, assigned in 1947. It serves Salt Lake City and the Salt Lake Valley region. 801 is one of the original 86 area codes created when the North American Numbering Plan was first established.

Can I get a Utah phone number from anywhere?

Yes. DialPhone virtual phone numbers are not tied to a physical location. You can get a Utah area code number and use it from any device — desktop, mobile, or browser — anywhere with an internet connection. This makes Utah numbers ideal for remote teams, distributed businesses, and sales teams targeting Utah customers.

How much does a Utah area code number cost?

DialPhone plans start at $24 per user per month on the Core plan. Every plan includes your choice of Utah area code number, unlimited US and Canada calling, business SMS, AI call captions, and a free 14-day trial — no credit card required. See the DialPhone pricing page for current tier details.

Can I port my existing Utah number to DialPhone?

Yes. DialPhone supports free number porting from any major US or Canadian carrier, including existing Utah area code numbers. Porting typically completes in 2 to 5 business days with zero service interruption. See the complete number porting guide for step-by-step instructions.

What time zones are used in Utah?

Utah area codes span the MT time zone. When scheduling calls with Utah customers, verify the specific area code's time zone to avoid calling outside business hours.

Area Codes in Utah — Local Business Phone Numbers

Quick answer

Utah has 3 active geographic area codes covering Salt Lake City, St. George. The most-recognized codes are 801, 435, 385, serving Salt Lake City and the Salt Lake-Ogden-Provo region.

Total codes: 3
Top metro: Salt Lake City
Time zone: MT
Largest code: 385 (Salt Lake City)

By Darshan M

Growth Operations Lead at DialPhone · Verified against NANPA data

Area codes in Utah

Utah is served by 3 active geographic area codes in the North American Numbering Plan. These codes were assigned between 1947 and 2009 as population and call demand grew across the state.

Code	Primary City	Region	Established	Overlay Codes	Population
385	Salt Lake City	Salt Lake-Ogden-Provo	2009	801	1,600,000
435	St. George	Rural Utah	1997	—	500,000
801	Salt Lake City	Salt Lake Valley	1947	385	1,200,000

Time zones in Utah

All area codes in Utah fall in the MT time zone.

MT — area codes: 385, 435, 801

Top metros and their area codes

Below are the primary cities in Utah and the area codes that serve each metro. Cities with multiple codes share geography due to overlay assignments added as demand grew.

Salt Lake City — 385 , 801
St. George — 435

Why get a local Utah number?

A Utah area code number gives your business three core advantages:

Local trust signal. Customers in Utah recognize local area codes as their own. A familiar caller ID builds immediate credibility for service businesses, sales teams, and patient communication.
Higher answer rate. Calls from a local area code are answered far more often than toll-free or out-of-area numbers — industry data puts the lift at 20–40%. That difference matters most for outbound sales, appointment confirmations, and service callbacks.
Targeted marketing. Advertising a local Utah number on print, radio, digital, and outdoor channels converts better than a national 800 number for audiences who prefer doing business locally.

How to get a Utah area code number with DialPhone

Setting up a Utah business number takes under 10 minutes:

Sign up for a DialPhone plan. Choose any plan starting at $24/user/month. Free 14-day trial, no credit card required.
Search available Utah numbers. Filter the DialPhone number inventory by state, area code, city, or number pattern.
Choose your number and configure. Assign your new Utah number to a user or team, configure call routing, voicemail, AI receptionist, and business SMS.
Port your existing number (optional). Already have a Utah number? Free number porting completes in 2 to 5 business days with zero service interruption.