--- title: "Area code 458: Oregon, United States" url: "https://lookvalid.com/area-code/458.md" canonical_url: "https://lookvalid.com/area-code/458" last_updated: "2026-10-23" type: "reference" summary: "Area code 458 serves Oregon, United States. Number formats, numbering rules, a live phone validator and the other codes in Oregon." --- # Area code 458: Oregon, United States Area code 458 serves Oregon, United States. Number formats, numbering rules, a live phone validator and the other codes in Oregon. NANPA lists 214 central office codes (prefixes) in use in area code 458, held by 40 holders across 107 rate centers. Onvoy holds the most prefixes, 44 (21%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies. The FCC unwanted-call data has 917 complaints on file for 575 numbers in 458, most often filed as "Unwanted Calls". These are consumer reports, not findings. ## Facts - In service since: 2010-02-10 - Time zone: MP - Assigned overlays: 541 (1995-11-05) - Prefixes in use: 214 - Pooled prefixes: 214 (100%) - Rate centers: 107 - Companies holding prefixes: 40 - Assignment dates on file: 2011-06-16 to 2026-07-08 (207 prefixes) - ZIP codes in its places: 106 ## Rate centers | Rate center | Prefixes | Share | | --- | --- | --- | | EUGENE | 34 | 16% | | BEND | 12 | 6% | | ALBANY | 9 | 4% | | MEDFORD | 7 | 3% | | GRANTSPASS | 5 | 2% | | KLAMATHFLS | 5 | 2% | | ONTARIO | 5 | 2% | | COOS BAY | 4 | 2% | | 99 other rate centers | 133 | 62% | ## Carriers | Holder | Prefixes | Share | | --- | --- | --- | | Onvoy | 44 | 21% | | Ton80 Communications | 22 | 10% | | T-Mobile USA | 18 | 8% | | New Cingular Wireless PCS | 17 | 8% | | Verizon Wireless | 14 | 7% | | Bandwidth.com CLEC | 10 | 5% | | 34 other carriers | 89 | 42% | 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 - 1995-11-05: Area code 541, named as the parent of 458 in the NANPA report, was in service. - 2010-02-10: Area code 458 went into service. ## Nearest area codes The area codes closest to 458, measured between the centers of the ZIP code places they serve, are 503 (about 108 miles), 971 (about 110 miles), 564 (about 199 miles), 360 (about 200 miles) and 253 (about 225 miles). ## ZIP codes 106 ZIP codes fall in places that have a rate center in this area code. The places with the most are Eugene, OR (7 ZIP codes), Bend, OR (6 ZIP codes) and Corvallis, OR (4 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 917 complaints for 575 numbers. Numbers whose latest complaint falls in each year: - 2023: 47 - 2024: 104 - 2025: 35 ## Questions ### Where is area code 458? NANPA assigns area code 458 to Oregon, United States. ### In which state does area code 458 sit? Oregon. 458 is one of 4 area codes the NANPA table assigns to the state. ### Which places does area code 458 cover? The places with the most ZIP codes among the rate centers in 458 are Eugene, OR, Bend, OR and Corvallis, OR. The rate center list on this page shows all of them. ### Who owns area code 458? NANPA assigns area codes. Within 458, Onvoy holds the most prefixes, 44 prefixes or 21%. ### Which time zone does 458 use? The NANPA NPA report lists the time zone for 458 as MP. ### What year did 458 enter service? The NANPA NPA report gives an in-service date of 2010-02-10, so 458 has been in use since 2010. ### Does area code 458 have an overlay? Yes. 541 (in service 1995-11-05) shares the same area with 458, so numbers from all of them are local to each other. ### Which area codes are nearest to 458? The area codes closest to 458, measured between the centers of the ZIP code places they serve, are 503 (about 108 miles), 971 (about 110 miles), 564 (about 199 miles), 360 (about 200 miles) and 253 (about 225 miles). ### How many prefixes does area code 458 have? NANPA's report dated 2026-10-17 lists 214 prefixes in service in 458, spread over 107 rate centers and 40 holders. ### Are there complaints about 458 numbers? The FCC data on file has 917 complaints for 575 numbers in 458. 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).