SMS · AsiaSMS pricing in Hong Kong
SMS to Hong Kong costs from $0.046 per message (indicative list rate, reviewed 2026-09-24) over 4 direct operators (CSL Mobile, China Mobile HK, 3HK, SmarTone); sender IDs (OFCA): Free-form (OFCA scheme voluntary).
Across 4 direct operators · regulator OFCA
How much does SMS to Hong Kong cost?
SMS to Hong Kong costs from $0.046 per message (indicative list rate, reviewed 2026-09-24) over 4 direct operators. Direct binds, registered sender IDs and OFCA-approved routes. List-tier rates shown — Growth, Volume and Enterprise discounts apply automatically.
| Operator | Rate (USD per SMS) | Send window |
|---|---|---|
CSL Mobile Direct bind · A2P registered | $ 0.0516 per SMS | — |
China Mobile HK Direct bind · A2P registered | $ 0.0494 per SMS | — |
3HK Direct bind · A2P registered | $ 0.0471 per SMS | — |
SmarTone Direct bind · A2P registered | $ 0.0460 per SMS | — |
- OFCA's SMS Sender Registration Scheme (since 28 December 2023) is voluntary: registered senders' IDs carry a "#" prefix, and unregistered IDs are still delivered without it.
- Chinese (Traditional) and English supported.
- Long messages (>160 GSM-7 chars) split into segments — billed per segment.
- Concatenation, Unicode and Latin all priced identically per segment.
- Delivery receipts (DLRs) included — no per-DLR fee.
SMS in Hong Kong: routes, rules and timing.
The same operator, regulator and timing data as our Hong Kong coverage page, so both pages always agree.
| Regulator | Office of the Communications Authority (OFCA) |
|---|---|
| Operator routes | 4 · CSL Mobile, China Mobile HK, 3HK, SmarTone |
| Sender-ID lead time | Free-form (OFCA scheme voluntary) |
| Typical OTP latency | 2.7 s |
| Mobile subscribers | 23M |
| Dialling code · MCC | +852 · 454 |
| Time to launch | Live in 5–15 business days from test-access request to production |
| Billing currencies | USD · HKD |
| Published SMS band | USD 0.035 – 0.06 |
SMS to Hong Kong: common questions
Which operators carry SMS to Hong Kong, and at what rate?
What does the SMS price include?
Do I need to register a sender ID in Hong Kong?
How do I get test access for Hong Kong?
Tiers upgrade automatically — the moment you cross the line.
Your effective rate is recalculated every billing cycle from the volume you sent that month. No paperwork, no renegotiation. Discounts apply automatically.
List rate. No commitment, no minimums.
Auto-applies on traffic above 100K/mo.
Includes monthly route review + Slack channel.
Direct operator pricing, signed SLAs, optional private cloud.
| Tier | Monthly volume | Discount | Effective rate (USD per SMS) |
|---|---|---|---|
| Pay-as-you-go | 0 – 100K messages / month | List rate | $ 0.0460 |
| Growth | 100K – 1M messages / month | −12% | $ 0.0405 |
| Volume | 1M – 5M messages / month | −26% | $ 0.0340 |
| Enterprise | 5M+ messages / month | −40% | $ 0.0276 |
More on Hong Kong
Above 1M / month, pricing becomes a conversation.
Per-country rate cards negotiated against your traffic mix, dedicated SMPP binds, named account management, signed delivery SLAs and optional on-premise or private-cloud deployment. Most quotes come back within two business days.
- Custom per-country rate cards
- Dedicated SMPP binds (capacity agreed per bind, up to 30,000 SMS/s per node)
- Named account manager + on-call engineer
- Signed delivery SLA — 99.99% uptime
- On-prem or private-cloud deployment
- Quarterly route review and benchmark
Launch SMS in Hong Kong on approved routes.
Test access on request, with a reply within one business day. Live in 5–15 business days from test-access request to production. Billed in AED, SAR, USD, EUR or GBP.
$ curl -X POST https://api.broadnet.me/sms/sendSms -H "Authorization: Bearer $BROADNET_TOKEN" -H "Content-Type: application/json" -d '{"senderId":"BroadNet","destinationNumber":"447700900123","message":"Hello from BroadNet","messageType":"TEXT"}'