https://heynum.com/blog Guides about second phone numbers, privacy, verification codes and staying reachable abroad, from the team behind HeyNum. en Wed, 14 Oct 2026 09:14:18 +0000 https://heynum.com/blog/best-second-phone-number-appshttps://heynum.com/blog/best-second-phone-number-appsWed, 14 Oct 2026 09:00:00 +0000GuidesGoogle Voice, TextNow, Hushed, Burner, MySudo, Onoff, Numero and HeyNum compared: where each works, which countries, what you need to sign up and what it costs. https://heynum.com/blog/second-phone-number-without-second-phonehttps://heynum.com/blog/second-phone-number-without-second-phoneTue, 13 Oct 2026 09:00:00 +0000GuidesDual SIM, eSIM, apps or your browser: the four ways to get a second number, what each one really costs, and which one fits your situation. https://heynum.com/blog/receive-sms-verification-codes-onlinehttps://heynum.com/blog/receive-sms-verification-codes-onlineTue, 13 Oct 2026 09:00:00 +0000PrivacyFree “receive SMS online” sites show your codes to everyone. How verification codes work, the real risks, and the safe way to get them on a private number. https://heynum.com/blog/virtual-number-vs-esim-vs-second-simhttps://heynum.com/blog/virtual-number-vs-esim-vs-second-simTue, 13 Oct 2026 09:00:00 +0000ExplainersThey solve different problems. A clear comparison of virtual numbers, eSIMs and second SIM cards: cost, privacy, devices and the best fit for each. https://heynum.com/blog/sell-online-without-sharing-your-numberhttps://heynum.com/blog/sell-online-without-sharing-your-numberTue, 13 Oct 2026 09:00:00 +0000PrivacyWhy your phone number is the weak spot when you sell on marketplaces, the scams that target it, and how a second number keeps you safe. https://heynum.com/blog/keep-uk-number-abroadhttps://heynum.com/blog/keep-uk-number-abroadTue, 13 Oct 2026 09:00:00 +0000Travel & expatsKeep your SIM, port it, or get a UK mobile number you use online: the options for staying reachable on a UK number after you move. https://heynum.com/blog/temporary-phone-number-guidehttps://heynum.com/blog/temporary-phone-number-guideTue, 13 Oct 2026 09:00:00 +0000GuidesA temporary number is perfect for a sale, a trip or a one-off sign-up — and a bad idea for your bank. A practical guide to using one well. https://heynum.com/blog/virtual-number-not-acceptedhttps://heynum.com/blog/virtual-number-not-acceptedTue, 13 Oct 2026 09:00:00 +0000Explainers“This phone number cannot be used for verification”? Why apps refuse VoIP, shared and reused numbers — and what to try next, app by app. https://heynum.com/blog/keep-us-number-abroadhttps://heynum.com/blog/keep-us-number-abroadTue, 13 Oct 2026 09:00:00 +0000Travel & expatsRoam, switch to a cheap prepaid plan, port to Google Voice or get a US number you use online: the real options for keeping a US number abroad. https://heynum.com/blog/burner-phone-numberhttps://heynum.com/blog/burner-phone-numberTue, 13 Oct 2026 09:00:00 +0000PrivacyWhat a burner number is, when it's worth it, what it can't do — and how to get one in about a minute, without a second phone, a SIM or an app.