Live Carrier Line • Ready for SMS

+852 37439499

HK temporary phone number for online SMS verification and OTP codes. Fully compatible with Google, WhatsApp, Telegram, and Microsoft 2FA with sub-second delivery.

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Carrier Network & Telephony Engineering Specifications

Numbering plan compliance, rate center attribution, and SS7 interconnect attributes.

ITU-T E.164 Format +85237439499

National Notation 037439499

RFC 3966 URI tel:+85237439499

Assigned Carrier Trunk National Telecom Fleet

Line Classification Fixed Line

Geographic Region National

Signaling Interconnect Tier-1 Direct SS7 / SMPP 3.4

Delivery SLA < 1,500ms Push to Edge

Live Inbound SMS Messages

Real-time incoming OTP codes received on +852 37439499.

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System Verification

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