How to Bypass: "This phone number is already bound to the maximum number of accounts." on Binance
Hit a wall with Binance verification? This exact error means the carrier lookup flagged your number as virtual. A physical carrier line resolves it instantly.
Error Diagnostics
“This phone number is already bound to the maximum number of accounts.”
Diagnostic: BINANCE_LINE_LIMIT classification resolved via AT&T Network physical routing node.
3-step fix
- 1
Rent a dedicated line
Choose a US line routed through AT&T Network and complete checkout with crypto — no KYC required.
- 2
Enter it into Binance
Paste your new number into the Binance verification field exactly as provided, including the country code.
- 3
Receive and enter the code
The SMS code arrives in seconds. Enter it to complete verification — no more VoIP rejection.
Line-Type Diagnostic Scan
Enter any number to run a carrier-registry lookup and see exactly why Binance rejects it — the same check their servers run against you.
What's actually happening behind this error
Under the hood, Binance sends your number to a carrier-lookup provider (commonly Twilio Lookup, Telesign, or an equivalent HLR query service) the moment you submit it. The response includes a "line type" field — Mobile, Landline, or VoIP. Binance's registration backend drops the session whenever that field comes back as VoIP, regardless of anything else about your account, browser, or IP address.
Why a “fresh” free number won't help
The reason a "fresh" free number often fails immediately is simple: Binance and dozens of other platforms share overlapping carrier-lookup blocklists. A number burned on one platform is frequently already flagged everywhere else — so the "new" number you just got assigned may have failed this exact check hours before you ever touched it.
Compliance note: phone verification is one control among many used by banks, payment processors, and exchanges. Using a dedicated line to pass carrier checks does not bypass identity verification (KYC), account terms of service, or regional eligibility rules — you are responsible for complying with each platform's own policies.
Nationwide US coverage
GotSMS' US carrier pool covers every US state, routing authentic cellular lines from Boston to San Diego. Binance's carrier-lookup check sees a real, local-looking area code — never a flagged VoIP range.
US Carrier Coverage — All 50 States
Every state routes through a real area code on Binance's carrier-lookup check — search a state or area code below.
Who actually needs this for Binance?
The Crypto Trader
Passing KYC-adjacent phone checks on exchanges without tying every account to one exposed number.
Pain Point: Hitting "this phone number is already bound to the maximum number of accounts" mid-onboarding.
Outcome: A dedicated physical line per exchange account, none of them sharing a footprint.
The Multi-Project Web3 Community Participant
Joining several independent testnet, community, and early-access Web3 programs, each of which asks for its own phone-verified identity.
Pain Point: One phone number ending up linked across several unrelated community programs, muddying which project it's actually associated with.
Outcome: Each Web3 community identity kept cleanly separate, matching each program's own participation terms.
Renters who hit this exact error
“Binance kept rejecting my main number for a second account. Rented a dedicated line here and it passed the carrier check on the first attempt.”
“Needed a US line to re-verify an Upwork account that got flagged. Line was live in under a minute and the code landed instantly. Didn't expect it to just work first try.”
Frequently asked questions
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Reviewed by Victor Reyes, Head of Telecom Infrastructure & SEO, GotSMS. This page is informational and does not constitute financial, legal, or compliance advice.
Disclaimer: All product names, logos, brands, and registered trademarks referenced on this page (including Binance and corresponding logos) are the sole property of their respective trademark holders. GotSMS, operated by Aurora Art Trading Inc, is an independent US telecommunications provider. References to third-party services are made strictly under the nominative fair use doctrine (15 U.S.C. § 1115(b)(4)) for descriptive, comparative, and compatibility troubleshooting purposes. GotSMS is not affiliated with, sponsored by, or endorsed by Binance or their respective parent companies.