--- title: "Area code 385: Utah, United States" url: "https://lookvalid.com/area-code/385.md" canonical_url: "https://lookvalid.com/area-code/385" last_updated: "2026-10-23" type: "reference" summary: "Area code 385 serves Utah, United States. Number formats, numbering rules, a live phone validator and the other codes in Utah." --- # Area code 385: Utah, United States Area code 385 serves Utah, United States. Number formats, numbering rules, a live phone validator and the other codes in Utah. NANPA lists 489 central office codes (prefixes) in use in area code 385, held by 41 holders across 20 rate centers. New Cingular Wireless PCS holds the most prefixes, 93 (19%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 2,139 complaints on file for 1,546 numbers in 385, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 2009-03-29 - Time zone: Mountain (M) - Assigned overlays: 801 (1947-01-01) - Prefixes in use: 489 - Pooled prefixes: 489 (100%) - Rate centers: 20 - Companies holding prefixes: 41 - Assignment dates on file: 2009-04-17 to 2026-04-20 (484 prefixes) - ZIP codes in its places: 32 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | SALT LAKE | 126 | 26% | | KAYSVILLE | 67 | 14% | | PROVO | 58 | 12% | | MIDVALE | 39 | 8% | | OGDEN | 37 | 8% | | MURRAY | 28 | 6% | | AMERCNFORK | 27 | 6% | | CLEARFIELD | 26 | 5% | | 12 other rate centers | 81 | 17% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | New Cingular Wireless PCS | 93 | 19% | | Onvoy | 72 | 15% | | T-Mobile USA | 63 | 13% | | Verizon Wireless | 52 | 11% | | Bandwidth.com CLEC | 40 | 8% | | Fractel | 17 | 3% | | 35 other carriers | 152 | 31% | A prefix holder is the company a code was assigned to, not necessarily a number's current carrier, because numbers can be ported to another company. ## History - 1947-01-01: Area code 801, named as the parent of 385 in the NANPA report, was in service. - 2009-03-29: Area code 385 went into service. ## Nearest area codes The area codes closest to 385, measured between the centers of the ZIP code places they serve, are 435 (about 102 miles), 307 (about 283 miles), 986 (about 291 miles), 208 (about 295 miles) and 970 (about 319 miles). ## ZIP codes 32 ZIP codes fall in places that have a rate center in this area code. The places with the most are Ogden, UT (13 ZIP codes), Provo, UT (6 ZIP codes) and Clearfield, UT (3 ZIP codes). A ZIP code and an area code are unrelated systems, so a ZIP code can sit in more than one area code and an area code spans many ZIP codes. ## Complaints on file 2,139 complaints for 1,546 numbers. Numbers whose latest complaint falls in each year: - 2023: 120 - 2024: 128 - 2025: 95 ## Questions ### Where is area code 385? NANPA assigns area code 385 to Utah, United States. ### In which state does area code 385 sit? Utah. 385 is one of 3 area codes the NANPA table assigns to the state. ### Which places does area code 385 cover? The places with the most ZIP codes among the rate centers in 385 are Ogden, UT, Provo, UT and Clearfield, UT. The rate center list on this page shows all of them. ### Who owns area code 385? NANPA assigns area codes. Within 385, New Cingular Wireless PCS holds the most prefixes, 93 prefixes or 19%. ### Which time zone does 385 use? The NANPA NPA report lists the time zone for 385 as Mountain (M). ### What year did 385 enter service? The NANPA NPA report gives an in-service date of 2009-03-29, so 385 has been in use since 2009. ### Does area code 385 have an overlay? Yes. 801 (in service 1947-01-01) shares the same area with 385, so numbers from all of them are local to each other. ### Which area codes are nearest to 385? The area codes closest to 385, measured between the centers of the ZIP code places they serve, are 435 (about 102 miles), 307 (about 283 miles), 986 (about 291 miles), 208 (about 295 miles) and 970 (about 319 miles). ### How many prefixes does area code 385 have? NANPA's report dated 2026-10-17 lists 489 prefixes in service in 385, spread over 20 rate centers and 41 holders. ### Are there complaints about 385 numbers? The FCC data on file has 2,139 complaints for 1,546 numbers in 385. They are unverified consumer reports. A number with no complaints on file is not proven safe. Sources: NANPA central office code report dated 2026-10-17; NANPA NPA report dated 2026-10-18; FCC unwanted-call complaints, data fetched 2026-10-17; ZIP code places from GeoNames (CC BY 4.0).