Caller ID for
Area code 435
Area code 435 St. George, Utah
Area code 435 is in Utah, with numbers assigned in St. George, Logan, Park City and 86 more places. It’s 10:10 PM there now.
- State
- Utah3 area codes in Utah
- Time zone
- Mountain10:10 PM there now
- Exchanges
- 50189 places
- Overlay
- NoneThe only code for its area
- No sign-up
- We never contact the number
- Spam risk included
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Where area code 435 is
Numbers in 435 are assigned to 89 places in 24 counties: Washington County, Wasatch County, Cache County, Summit County, Box Elder County, Tooele County, plus 18 more.
No single place dominates: St. George, the largest, has 11% of the exchanges.
- St. George53
- Logan45
- Park City32
- Tooele30
- Brigham City23
- Cedar City22
- Heber13
- Richfield10
- Price9
- Vernal8
- Nephi8
- Castle Dale8
- Kamas8
- Moab7
- Beaver7
- Tremonton5
- Bear River City5
- Salina5
- Duchesne5
- Roosevelt5
- Brian Head4
- Fillmore4
- Blanding4
- Monticello4
Phone companies in 435
501 blocks of numbers in 435 are held by 52 phone companies. The most belong to Verizon Wireless (63), Lumen (CenturyLink) (59) and AT&T Mobility (55).
A mix: about 33% wireless, 33% local phone and cable and 35% other carriers, including internet phone services.
A block’s holder is the company it was first assigned to; numbers can move to other carriers since.
History and overlays
435 went into service in 1997, added to the area of 801.
60 new exchanges were assigned since 2021, the latest in September 2026.
Calling 435
It’s 10:10 PM Mountain time in 435 right now.
From elsewhere in the U.S., dial 1, 435 and the 7-digit number.
Nearby area codes
Utah has 3 area codes: 385, 435 and 801.
- 801 · Salt Lake City, UT · about 79 mi
- 385 · Salt Lake City, UT · about 79 mi
- 702 · Las Vegas, NV · about 296 mi
- 970 · Fort Collins, CO · about 299 mi
- 725 · Las Vegas, NV · about 299 mi
- 748 · Durango, CO · about 313 mi
From the North American Numbering Plan Administrator’s area code and exchange records (10/22/2026) and U.S. Census place and county names. Places and companies are where number blocks were assigned, not where anyone lives or which carrier a number uses today.
Map of the 435 area code
Map of the 435 area code around St. George, Logan and Park City, Utah.
Cities on the map
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Questions about 435
Where is area code 435?
In Utah, covering St. George, Logan and Park City and other places across 24 counties.
What time zone is 435 in?
Mountain time. It was 10:10 PM there when this page loaded.
Is 435 an overlay?
No. 435 is the only area code for its area right now.
Which phone companies have 435 numbers?
52 companies hold blocks; the most belong to Verizon Wireless, Lumen (CenturyLink) and AT&T Mobility. About 33% of blocks are wireless.
Is 435 running out of numbers?
Not on record. 60 new exchanges have been assigned since 2021.