Utah area codes
3 area codes currently serve Utah. The state's numbering history begins in 1947 with 801. Most recent addition: 385, in service since 2009.
Coverage runs through 801 (Salt Lake City), 435 (Saint George), 385 (Salt Lake City); prefix counts in the table approximate each code's numbering footprint.
Overlay territory: 385/801 — same geography, several codes, ten-digit local dialing.
Time zone is uniform across the state's codes: Mountain.
385 has served Salt Lake City since 2009, carries 487 active prefixes across 20 rate centers, split among 40 carriers. 487 of its prefixes are pooled — shared between carriers in thousands-number blocks. NANPA projects its capacity to last until 3Q 2035. It was created from 801. Local dialing is ten digits.
435 has served Saint George since 1997, carries 493 active prefixes across 113 rate centers, split among 55 carriers. 314 of its prefixes are pooled — shared between carriers in thousands-number blocks. NANPA projects its capacity to last until 1Q 2076 — no relief needed for decades. It was created from 801. Local calls can still be dialed with seven digits — increasingly rare in the NANP.
801 has served Salt Lake City since 1947, carries 783 active prefixes across 20 rate centers, split among 24 carriers. 386 of its prefixes are pooled — shared between carriers in thousands-number blocks. It is the oldest area code in Utah, in service since 1947. NANPA projects its capacity to last until 3Q 2035. Local dialing is ten digits.
Toll-free callers are a separate story: 800-family numbers carry no Utah geography at all, so an 833 or 877 number is never "from" the state — it belongs to whichever business rents it, anywhere in the NANP.
A number in any of these codes was issued in Utah, but portability means its owner may be anywhere today — the codes locate numbers, not people. To dig further, open a code's prefix or cities pages.
| Code | Major area | In service | Overlay complex | Prefixes |
|---|---|---|---|---|
| 385 | Salt Lake City | 2009 | 385/801 | 487 |
| 435 | Saint George | 1997 | — | 493 |
| 801 | Salt Lake City | 1947 | 385/801 | 783 |
FAQ
How many area codes does Utah have?
3 geographic area codes are currently in service: 385, 435, 801.
What was Utah's first area code?
801, in service since 1947.
Will Utah get a new area code soon?
Not soon. The earliest exhaust forecast in the state is 385 at 3Q 2035, so current codes have ample capacity.
Which time zone are Utah numbers in?
All Utah area codes are in the Mountain time zone.