Area codes / Oregon / 458
The 458 area code
458 is an area code in Oregon, in the Mountain and Pacific time zones. Get a local 458 number for your business, shared by everyone who answers it, or bring the 458 number you already have.
458 at a glance
Get a 458 business number
When you sign up for Onyx Phone, you pick a local number by area code: search 458, narrow it by the next three digits or the last four if you want something memorable, and it's yours on the spot. Which numbers are free changes daily. If you don't find one you like, 541 covers the same area.
The number rings everyone you assign to it, in the browser, on the iPhone and Android apps, and on desk phones, and texts from it are unlimited once US carriers approve your business. Your plan includes one number for each user, and more numbers are $5 a month.
Calling 458 customers
Local calls in 458 are dialed with all ten digits: the area code, then the number. 458 spans the Mountain and Pacific time zones, so the local time depends on where the caller is.
Calls from Onyx Phone show your business number, and once your business is verified, your caller ID name too, so 458 customers see who's calling.
Questions about area code 458
What state is area code 458?
Area code 458 is in Oregon.
What time zone is area code 458 in?
Area code 458 covers places in the Mountain and Pacific time zones, so check which one a caller is in before you call early or late.
Is 458 an overlay area code?
Yes. 458 shares its area with 541. Numbers in either code ring the same region, and local calls there are dialed with all ten digits.
Can I get a 458 business number?
Onyx Phone sells US local numbers. When you pick your number, search the 458 area code; which numbers are free changes daily. If none are free, 541 covers the same area.
Can I keep the 458 number I already have?
Yes. Moving a number to Onyx Phone is free on every plan and usually takes 3 to 7 business days. You answer on a temporary number until it moves.
Included on every plan
Starter is $17, Business is $29, Scale is $42 per user a month, or less billed yearly. The plan includes a business number for each user and unlimited calling and texting in the US and Canada. Every plan starts with a 7-day free trial, and moving your current number over is free.
Area code data from the North American Numbering Plan Administrator (NANPA), file of October 24, 2026.