Australia: SMS delivery facts
SMS to Australia uses calling code +61. Alphanumeric sender IDs require pre-registration under an ACMA-backed industry rollout to curb spoofing; unregistered senders face growing restrictions. Traffic uses the GSM-7 charset, with 160 characters in a single segment and 153 per segment when concatenated.
| Country calling code | +61 (ITU-T E.164 assigned country codes, retrieved 2026-07-27) |
|---|---|
| E.164 format | +61 followed by the national subscriber number, no leading trunk zero, 15 digits maximum overall (ITU-T E.164) |
| Alphanumeric sender ID | pre registration (per ACMA / Australian mobile carrier SMS Sender ID Registration Program, retrieved 2026-07-26) |
| Registration regime | AU-rollout |
| Dominant language(s) | English |
| Native-text charset | GSM-7 — 160 characters per single SMS, 153 per concatenated segment (GSM 03.38 default alphabet vs script analysis, retrieved 2026-07-27) |
| Published smsroute rate | USD 0.045 per message, dated snapshot (source, retrieved 2026-07-27). Current rate and send path: rate card for Australia |
Sender-ID rules
Australia is rolling out an industry-run SMS Sender ID Registration program (ACMA-backed) so brands register alphanumeric IDs to curb spoofing; unregistered alphanumeric senders face growing restrictions. (per ACMA / Australian mobile carrier SMS Sender ID Registration Program, verified 2026-07-26)
Australia is rolling out an industry-run SMS Sender ID Registration program (ACMA-backed) so brands register alphanumeric IDs to curb spoofing; unregistered alphanumeric senders face growing restrictions. With English as the primary language and GSM-7 as the charset class, messages fit 160 characters in a single segment or 153 per segment when concatenated.
Character set and message length
Native English text is classed as GSM-7 here: 160 characters fit a single SMS and 153 per segment once a message is concatenated.
To count segments for a concrete message, use the UDH segment surgeon; to compare all 40 countries side by side, the country requirements explorer reads the same open dataset (CC-BY 4.0).
Every figure above is maintained by SMSRoute guides with a named source and retrieval date - the machine-readable copy for Australia lives in api/v2/countries.json (CC-BY), field-level provenance included.
Frequently asked
- Do alphanumeric sender IDs need registration for Australia?
- Yes. Alphanumeric sender IDs are under pre-registration in the AU-rollout regime of the ACMA-backed Australian mobile carrier SMS Sender ID Registration Program; unregistered alphanumeric senders face growing restrictions.
- What charset and segment lengths apply to SMS in Australia?
- Australia uses the GSM-7 charset class, allowing 160 characters in a single segment and 153 characters per segment when concatenated.
- What is the calling code and published SMS rate for Australia?
- The calling code is +61. The published rate is 0.045 USD (retrieved 2026-07-27).
- How do I test SMS delivery to Australia without a local SIM?
- Use a delivery-testing service that sends to real local Australian numbers. SMSRoute accounts include free test credits so you can confirm handset delivery without owning an AU SIM.
- Can I use my company name as the SMS sender in Australia?
- Yes—as an alphanumeric sender ID—but Australia’s ACMA-backed industry rollout requires pre-registration of those IDs. Unregistered company-name senders face growing carrier restrictions aimed at curbing spoofing.
Related
- DLR status codes behind Australia delivery reports
- Metrics to check before trusting a Australia route
- Austria: SMS delivery facts
- Belgium: SMS delivery facts
- Brazil: SMS delivery facts
- Sender ID (glossary)
- GSM-7 (glossary) · UCS-2 (glossary)
- All 40 country fact sheets
Facts on this page are dated snapshots with named sources; rates change — the linked rate card is authoritative. Corrections: ops@smsroute.cc. Last verified 2026-07-27.