This guide explains how to use online phone numbers to receive free SMS from Sideline for account verification.
Simply choose a number from the list below — no registration needed.
Use it to receive your Sideline verification code instantly via SMS.
5 available Sideline Phone Numbers. New number was added 9 months ago.
So, you need a temporary phone number for Sideline but don’t want to use your real number? Been there. Maybe you’re worried about spam, privacy, or you just don’t want random companies to know your real digits. That’s what 7sim.cc is for. We offer a free number for Sideline (and paid options, too) — perfect for those moments when you need a virtual number for Sideline, a US number for Sideline, or anonymous SMS verification. No awkward questions. No sign-up required.
Let’s be honest: nobody likes giving their real number to random apps or websites. Maybe it’s for a new Sideline account, maybe for testing, or maybe… I dunno, you want to prank your friend (don’t quote me on that). But the point is:
Sometimes you only need a number once. Or twice. Or, um, twenty times (I won’t judge). For all of those, a virtual number for Sideline comes in handy.
Quick disclaimer: don’t use a temporary phone number for Sideline or for any bank or critical service. Some sites are just too picky (looking at you, PayPal).
Alright, no rocket science here. Let’s walk through it:
Step 1:
You’ll see a big list of free temporary phone numbers. Pick a country — US number for Sideline, UK, whatever fits your need. (I always go for US or UK, feels safer, don’t ask why.)
Step 2:
Choose a number that’s marked as suitable for Sideline registration (look for icons or notes). Selecting a free virtual number for Sideline is a popular choice.
Step 3:
Copy the number. Open Sideline, start the registration process, and paste the temp number for Sideline when prompted.
Step 4:
Switch back to 7sim.cc and wait to receive Sideline code online. Sometimes it’s instant, sometimes… you’ll find yourself refreshing the page. Don’t panic if it takes a minute.
Step 5:
Grab your Sideline verification number online, paste it into Sideline, and voilà! You’re in.
Step 6:
If the number doesn’t work (happens sometimes, let’s be honest), just pick another one. Repeat. (My record? Four tries in a row. Don’t judge.)
Step 7:
Done! Now you can use Sideline without SIM or your real number. New account, zero risk to your real phone.
Now, I know what you’re thinking. Why pay when it’s free?
Look, a free number for Sideline is awesome. But — and this is a big “but” — free numbers are shared. That means you and twenty other clever people could be trying to get the same SMS code at the same time. Annoying, right?
Free is fine for one-time stuff, but if you’re doing anything serious — business, privacy, multi-accounting — you want paid. Trust me, I’ve been burned by “Sorry, this number is already used” more times than I care to admit.
Good question. I tried using a VoIP number a couple times. Guess what? Sideline blocks a lot of them. Some don’t even receive the code. Plus, VoIP numbers are easier for hackers to intercept. Creepy, I know.
So, go with a virtual number for Sideline from a real mobile network. 7sim.cc offers both free and paid, but the paid ones are less “used” and much more likely to work on the first try.
And, yeah, sometimes messages get delayed. Sometimes a number gets blocked (not our fault, blame Sideline). That’s just how it goes in this game.
You can also use Sideline without SIM — many of our users do this every day.
Q: Can I use your temporary phone number for Sideline verification?
A: Yes — that’s what they’re made for! Both free and paid options work, but paid is more reliable.
Q: What if my SMS code doesn’t arrive?
A: Try another online number for Sideline registration, or go for a paid one (they almost always work). Sometimes Sideline is just picky.
Q: Can I use the numbers for Facebook, Telegram, Gmail, etc.?
A: Absolutely! 7sim.cc works with most major platforms, and you can receive SMS for Sideline and other apps. But remember: don’t use for banks or anything super-important.
Q: Are there discounts or promo codes?
A: Sometimes! Check the homepage or sign up for the newsletter. Not gonna lie — I’ve missed a couple cool promos because I didn’t bother.
Q: Can I try a fake Sideline number just for testing?
A: Technically, yes, but it’s always safer to use a real virtual number for Sideline. Some people try a fake number to verify Sideline, but those are less reliable and can cause issues. Always better to stick to trusted services.
Over 500,000 users. Hundreds of positive reviews on TrustPilot.
I once saw a review saying “finally, a number that just works!” Can’t say it better myself.
Some folks have used the same virtual number for Sideline for a month straight (don’t ask me how, but apparently it’s possible). Others just hop on, get their Sideline verification number online, and leave forever.
Pick a free number for Sideline and try it for yourself. Or, if you’re tired of fighting over codes, grab a paid temporary phone number for Sideline for guaranteed access. Your privacy, your rules.
Any questions? Drop a message to support — real people answer, not just bots (I checked).
Go on. Protect your privacy. Get verified.
Try a temporary Sideline number at 7sim.cc right now!
PS: If you get stuck, refresh the page. If you’re still stuck, take a deep breath, maybe grab a coffee, and try a different number. It’s not rocket science… well, most of the time.