ZIP codes
213
Area Code 435
Explore ZIP codes in area code 435 — covering AZ, CO, UT — 213 ZIP codes — 882,736 residents. Population, income, and housing at a glance.
Population
882,736
States
AZ, CO, UT
Median household income (avg.)
$75,409
Average home value
$342,019
Where is area code 435?
Area code 435 maps to 213 indexable ZIP codes on US5 across AZ, CO, and UT, with a combined ZIP-area population of about 882,736.
Among places with the most population in this NPA on US5 are St. George, UT, Tooele, UT, Cedar City, UT, Logan, UT, and Spanish Fork, UT. Open any ZIP below for full demographics, housing, and nearby services.
The most populous ZIP currently listed for 435 is 84074 (about 57,470 residents).
Income and housing in 435
Across ZIPs with income data in area code 435, the average median household income is about $75,409 — about even with the U.S. median ($75,149).
Average median home value across those ZIPs is about $342,019.
On this page’s income ranking, ZIP 84098 is near the top at about $171,151.
How area code 435 numbering works
In the North American Numbering Plan, the first three digits of a 10-digit phone number are the Numbering Plan Area (NPA), commonly called the area code. Digits 4–6 are the central office code (NXX / “exchange”), and the last four digits identify the individual line.
US5’s 435 page groups ZIP codes that are associated with this NPA in published geography data. That is a place-based view — it is not a live directory of every phone number assigned to 435, and overlays or split NPAs can mean multiple area codes serve the same metro.
Scams and caller ID spoofing
Seeing area code 435 on caller ID does not prove the caller is physically in AZ, CO, and UT. Spoofing tools can display almost any NPA, including local-looking numbers used in IRS, bank, warranty, and “grandparent” scams.
If you receive an unexpected call about taxes, arrests, or locked accounts: hang up, do not share codes or remote-access software, and contact the organization using a number from its official website or your statement — not a number the caller provides. US5 publishes geography for research; it does not verify live callers.
ZIP codes in area code 435
Frequently asked questions
Where is area code 435?
Area code 435 is associated with ZIP codes in AZ, CO, and UT on US5, covering about 882,736 combined ZIP-area residents across 213 codes. Browse the ZIP table on this page for cities and counties.
How many ZIP codes are in area code 435?
US5 currently lists 213 indexable ZIP codes for area code 435. Counts can change as geography publishes update.
What is the average income in area code 435?
The average of ZIP median household incomes in area code 435 is about $75,409 (about even with the U.S. median ($75,149)). Individual neighborhoods vary — sort the ZIP table by income to compare.
What is an NXX or “number block” in area code 435?
After the area code, the next three digits (NXX) identify a central office / exchange “block” of up to 10,000 numbers. US5 focuses on ZIP geography for 435; for live number assignment details, use official NANPA / carrier resources.
Does a 435 caller ID mean the person is local?
No. Caller ID can be spoofed to show area code 435 even when the caller is elsewhere. Treat unexpected calls about money, arrests, or account lockouts as suspicious and verify through official channels.
How can I avoid phone scams that use area code 435?
Do not trust caller ID alone. Never send gift cards, wire money, or install remote-access apps because a caller claims to be from the IRS, a bank, or tech support. Hang up and call back using a published number from a statement or official website.
What cities use area code 435?
Larger population clusters on US5 for 435 include St. George, UT, Tooele, UT, Cedar City, UT, Logan, UT, and Spanish Fork, UT. Open linked ZIP pages for neighborhood-level demographics.