Area code
458
458 is a United States area code. Under the North American Numbering Plan it belongs to Oregon, which has 4 area codes in total.
Validate a number in 458
Paste a full number and the tool checks it against the numbering plan. It returns the standard formats, the line type the plan assigns and the area code region.
Digits with or without punctuation work. Numbers outside the US are read with the +country code.
Area code 458 at a glance
NANPA lists 214 central office codes (prefixes) in use in area code 458, held by 40 holders across 107 rate centers.
| Fact | Value |
|---|---|
| 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 in area code 458
| 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% |
Who holds the prefixes in 458
Onvoy holds the most prefixes, 44 (21%). 100% of the prefixes are pooled, which means their thousands-blocks can belong to different companies.
| 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. Find which carrier a number is on, or browse the prefix holders.
History of area code 458
- 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.
Area codes nearest to 458
Distance is measured between the centers of the ZIP code places each area code serves, so it is a rough guide.
Overlay codes in the same area
ZIP codes in area code 458
106 ZIP codes fall in places that have a rate center in this area code.
| Place | ZIP codes |
|---|---|
| Eugene, OR | 7 |
| Bend, OR | 6 |
| Corvallis, OR | 4 |
A ZIP code and an area code are unrelated systems. A ZIP code can sit in more than one area code, and an area code spans many ZIP codes.
Complaints on file for 458 numbers
917 FCC complaints are on file for 575 numbers in 458, most often filed as "Unwanted Calls". These are unverified consumer reports.
| Year of latest complaint | Numbers |
|---|---|
| 2023 | 47 |
| 2024 | 104 |
| 2025 | 35 |
Other area codes in Oregon
Oregon is one state with 4 area codes in the NANPA table. 458 is one of them.
Next to 458 in the numbering table
These are the codes just before and after 458 when all are sorted by number. They are neighbours on the list, not necessarily on the map.
What the area code does and does not tell you
A number that starts with 458 was first assigned in Oregon. That is a fact about where the number began, and it is a useful hint when you check a form entry, for example a billing address in Oregon next to a 458 phone number.
It does not show where the person is today. A number stays with its owner after a move or a change of provider (number portability), and mobile numbers travel with the handset. The area code also cannot tell you whether the line is active, who the carrier is, or whether the number is mobile or fixed: the plan shares those ranges. Read more about the area code, the numbering plan and line type.
Check numbers in bulk with the API
| Product | Credits | Docs |
|---|---|---|
| Phone Numbering-Plan Validation | 1 credit per valid number | API docs |
| Phone Intelligence (carrier and line status) | 1 credit per check (invalid numbers outside the US and Canada are free) | Product page |
Questions about area code 458
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.
Area code assignments: North American Numbering Plan Administrator NPA report, file dated 10/17/2026, retrieved 2026-10-17. Source file. New codes are assigned several times a year. Prefixes, rate centers, holders, time zone, in-service date and overlays: NANPA central office code report dated 2026-10-17 and NPA report dated 2026-10-18. Complaints: FCC consumer complaints open data, fetched 2026-10-17. ZIP code places: Postal code places and coordinates: GeoNames (geonames.org), licensed CC BY 4.0.