Phone Listings From Area Code 406-558 The area code and prefix 406-558 appears to be a Land Line number from Level 3. The area code is located in Helena, Montana in the United States. Related Phone Numbers 406-558-0625 406-558-3824 406-558-7620 406-558-7778 406-558-1713 406-558-1301 406-558-2694 406-558-2818 406-558-2146 406-558-9421 406-558-7401 406-558-6000 406-558-7320 406-558-8466 406-558-8710 406-558-6457 406-558-0257 406-558-3479 406-558-7962 406-558-7856 Latest Comments for 406-558 Phone Numbers 406-558-4462 406-558-4462: Block number. This is just another spam caller. Abusive Post? 406-558-4662 406-558-4662: Just block this number... It's a robo caller. Abusive Post? 406-558-4769 406-558-4769: Answered and they hung up on me. Sounds like a marketer trying to bother you. Abusive Post? 406-558-4769 406-558-4769: Do not answer. It is a robo caller calling to annoy everybody. Abusive Post? 406-558-9182 406-558-9182: She keeps bugging me! She says she's my wife and that we've been married for two years! Help me! I think this woman's crazy! :) Nah, she's alright and stuff. I put a ring on it and made it legal! That's right, Beyonce! I wanted it so I put a ring on it, girl! Abusive Post? 406-559-2079 406-559-2079: Yes, I am job searching and now get at least 3 a day from this number. No voicemail. Abusive Post? 406-559-2079 406-559-2079: I know what you mean Kate.Got 1 yesterday from the 559 prefix,now 1 today,same 559,just different last 4 numbers.Already getting pretty old.Job hunting here to.Also have items for sale on craigslist.. Abusive Post? 406-559-2079 406-559-2079: Every other day getting a call from this number. No message!! Abusive Post? 406-559-2079 406-559-2079: Calls repeatedly now for about a week. No mssgs left and I'm also job hunting so have used my # on job boards. I've only had the # a couple of weeks too. It's ridiculous. Blocked them. Abusive Post? 406-559-2079 406-559-2079: they call constantly, but never a message. I too have been job hunting. Last call didn't wait for full ring to hang up, so it seems to be a robo call that calles several numbers until one picks up. Abusive Post?