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Area code

Area code 435 — St. George, UT

Utah · in service since September 21, 1997

Area code 435 covers parts of Utah; the place with the most of its prefixes is St. George. It was created from area code 801 on September 21, 1997 and no other code overlays it.

Local time in St. George

Mountain Time ·

Spam reports from Sep 23 – Oct 22, 2026

Average #210 of 461 codes

445 FTC complaints

Top subject: debt reduction · 73% robocalls

Consumer reports, not verified by the FTC.

See the reports

Spam call reports about 435 numbers

Complaints by week

Sep 11 – Oct 22, 2026
435, Sep 11 – Oct 22, 2026050100150Sep 7 (partial): 14 complaints14Sep 73 days148Sep 1478Sep 2174Sep 28104Oct 5128Oct 12Oct 19 (partial): 87 complaints87Oct 194 days
Show as table
Week startingComplaints
Sep 7 (3 days)14
Sep 14148
Sep 2178
Sep 2874
Oct 5104
Oct 12128
Oct 19 (4 days)87

Compared with all codes

Robocalls
73%all codes 75%
Callers with the same code
46%all codes 35%
Rank by complaints
#210of 461 · middle half
FCC complaints, Oct 2025 – Sep 2026
6719 about text messages

What the calls were about

Sep 11 – Oct 22, 2026

SubjectComplaints
Reducing your debt (credit cards, mortgage, student loans)149 24%
Dropped call or no message107 17%
Calls pretending to be government, businesses, or family and friends45 7%
Medical & prescriptions19 3%
Home improvement & cleaning16 3%
Warranties & protection plans14 2%

Where the people who complained live

Sep 11 – Oct 22, 2026

StateComplaints
Utah337 53%
California33 5%
Oregon27 4%
Texas26 4%
Florida23 4%

October 2026 (partial) report · most reported

Consumer reports, not verified by the FTC · source

Source: FTC Do Not Call complaints created Sep 11 – Oct 22, 2026. They are reported by consumers and are not verified by the FTC; caller ID can be spoofed (how we count).

Source: FCC Consumer Complaints data, unwanted calls filed Oct 1, 2025 – Sep 30, 2026, by caller ID; not verified by the FCC.

Area code 435 location and prefixes

Prefixes assigned525322 in number pools
Exchange areas113St. George holds 10%
Counties25Washington County, Cache County, Box Elder County, and others
Largest exchange areas
Exchange (NANPA)PlaceCountyPrefixes
ST GEORGESt. GeorgeWashington County53
LOGANLoganCache County45
PARK CITYPark Cityspans 2 counties32
TOOELETooeleTooele County30
BRIGHAM CYBrigham CityBox Elder County23
CEDAR CITYCedar CityIron County22
HEBER CITY——13
RICHFIELDRichfieldSevier County10
PRICEPriceCarbon County9
CASTLEDALECastle DaleEmery County8

Plus 103 smaller exchange areas.

Source: NANPA CO codes of Oct 23, 2026; places: U.S. Census Bureau, matched by DialWhere (how).

Nearby area codes

Nearest by exchange location

Other codes in Utah

NANPA record

Location
Utah
Assigned by NANPA
May 30, 1997
Created from
801
Local dialing
7 digits (NANPA: 7D)
NANPA planning letters
PL-126, PL-065

Source: NANPA, NPA database of Oct 24, 2026.

Is 435 running out of numbers?

Forecast exhaust (April 2026)1Q 2076for 435 · in about 50 years

Previous forecast (October 2025): 2078, moved earlier by 2 years.

Forecast exhaust year by edition

43520402055207020852044Oct 20232051Apr 20242056Oct 20242065Apr 20252078Oct 20252076Apr 2026

Source: NANPA NRUF forecast, April 2026 edition.

Who holds 435 prefixes

The five largest of 56 original holders

As listed by NANPA, not today’s carrier.

Holder (as listed)Prefixes
Verizon Wireless63 12%
Qwest Corporation58 11%
New Cingular Wireless PCS, LLC55 10%
Onvoy, LLC43 8%
T-Mobile USA, Inc.41 8%

Source: NANPA CO codes of Oct 23, 2026.

Questions about area code 435

What area code is 435?

An Utah area code, in service since September 21, 1997.

Where is 435 area code, and what time zone is it in?

St. George, UT; Mountain Time.

Why am I getting spam calls from 435?

445 FTC complaints from Sep 23 – Oct 22, 2026, most often about debt reduction (not verified by the FTC; caller ID can be spoofed).

Will 435 get a new area code?

NANPA forecasts exhaust in 1Q 2076; no relief planning listed.