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Area Code Overview
Area code 435 is a geographic telephone area code in Utah that went into service on September 21, 1997. The geographic regions covered by this area code overlay has a population of approximately 872,424.
Overlay and Dialing Rules
- Area Code: 435
- State: Utah
- Type: General Purpose Code
- In Service Date: September 21, 1997
- Overlay Complex: 435
- Local Dialing Plan: This area does not require you to dial the area code when calling locally.
Estimated Number of Assigned Phone Numbers in Area Code 435
This area code is ranked 233rd out of 363 nationwide in estimated assigned phone numbers. Within the state territory it serves, it is ranked 3rd out of 3.
3,837,000
Estimated Service-Type Mix of Assigned Phone Numbers in Area Code 435
Wireless
1,119,000 assigned
29.16%
Wireline and VoIP
1,949,000 assigned
50.79%
Other / Unclassified
769,000 assigned
20.04%
Estimated Share of Wireless Numbers Originally Assigned to Each Carrier in Area Code 435
Estimated assigned wireless phone numbers: 1,119,000
Numbers may later be ported to another carrier, but this chart reflects original number assignment, not current subscriber share.
Verizon Wireless 460,000 (41.11%)
T-Mobile 417,000 (37.27%)
AT&T Wireless 242,000 (21.63%)
Estimated Share of Wireline and VoIP Numbers Originally Assigned to Each Carrier in Area Code 435
Estimated assigned wireline and VoIP phone numbers: 1,949,000
Bandwidth 132,000 (6.77%)
BEEHIVE TELEPHONE COMPANY, INC. (UTAH) 110,000 (5.64%)
EMERY TELEPHONE DBA EMERY TELCOM 70,000 (3.59%)
UNION TELEPHONE COMPANY 70,000 (3.59%)
MCIMETRO ACCESS TRANSMISSION SERVICES LLC 54,000 (2.77%)
FIRSTDIGITAL TELECOM, LLC - UT 45,000 (2.31%)
Peerless Network 43,000 (2.21%)
Other / Unclassified Assigned Numbering in Area Code 435
Estimated assigned other or unclassified phone numbers: 769,000
SOUTH CENTRAL UTAH TEL. ASSN., INC. 230,000 (29.91%)
UBTA-UBET COMMUNICATIONS, INC. DBA STRATA NETWORKS 110,000 (14.30%)
ALL WEST COMMUNICATIONS - UT 50,000 (6.50%)
CARBON/EMERY TELCOM, INC. - UT 50,000 (6.50%)
CENTRAL UTAH TEL., INC. 40,000 (5.20%)
NAVAJO COMM CO INC - UT DBA NAVAJO COMM UT 30,000 (3.90%)
FIRSTDIGITAL COMMUNICATIONS, LLC 29,000 (3.77%)
MANTI TEL. CO. 20,000 (2.60%)
SPOK, INC. 20,000 (2.60%)
TON80 COMMUNICATIONS, LLC 20,000 (2.60%)
UNION TEL. CO. 20,000 (2.60%)
FRACTEL, LLC 18,000 (2.34%)
Cities and Towns in Area Code 435
Altamont, Utah Antimony, Utah Apple Valley, Utah Bear River City, Utah Beaver, Utah Beryl, Utah Bicknell, Utah Blanding, Utah Bluff, Utah Boulder, Utah Brian Head, Utah Brigham City, Utah Bryce Canyon, Utah Caineville, Utah Cannonville, Utah Castle Dale, Utah Cedar City, Utah Circleville, Utah Coalville, Utah Delta, Utah Duchesne, Utah Duck Creek Village, Utah Dugway, Utah Dutch John, Utah Elmo, Utah Enterprise, Utah Ephraim, Utah Escalante, Utah Eureka, Utah Fairview, Utah Fielding, Utah Fillmore, Utah Fruitland, Utah Garden City, Utah Garrison, Utah Green River, Utah Grouse Creek, Utah Gunnison, Utah Halchita, Utah Hanksville, Utah Hatch, Utah Heber City, Utah Hildale, Utah Holden, Utah Howell, Utah Ibapah, Utah Jordanelle, Utah Kamas, Utah Kanab, Utah Kanosh, Utah Koosharem, Utah La Sal, Utah Lake Powell, Utah Lapoint, Utah Loa, Utah Logan, Utah Lynndyl, Utah Manila, Utah Manti, Utah Marysvale, Utah Meadow, Utah Mexican Hat, Utah Milford, Utah Minersville, Utah Moab, Utah Monroe, Utah Monticello, Utah Monument Valley, Utah Moroni, Utah Mount Pleasant, Utah Neola, Utah Nephi, Utah Oak City, Utah Orderville, Utah Panguitch, Utah Park City, Utah Park Valley, Utah Parowan, Utah Partoun, Utah Portage, Utah Price, Utah Promontory, Utah Randlett, Utah Randolph, Utah Richfield, Utah Roosevelt, Utah Rush Valley, Utah Saint George, Utah Salina, Utah Scipio, Utah Scofield, Utah Snowville, Utah Soldier Summit, Utah Tabiona, Utah Thatcher, Utah Thompson, Utah Ticaboo, Utah Timber Lakes, Utah Tooele, Utah Tremonton, Utah Vernal, Utah Vernon, Utah Wahsatch, Utah Wendover, Utah How These Figures Were Built
These figures are estimates based on public phone-number assignment records. They are meant to show the likely mix of assigned phone numbers associated with area code 435, not live customer counts.
Some providers may have assigned phone numbers tied to this area code even if they do not actively market or sell service locally. These figures reflect public number-assignment records, not confirmed local service availability.
They also do not reflect number portability at the individual phone-number level, so some numbers may now be used on a different network or by a different provider than the original assignment records suggest.
Population data and locality matching provided by GeoNames.
Last refreshed: April 15, 2026 6:22 pm