01 — Regulations
Domestic vs International
Requirements differ by who is sending. Pick the scope that matches your business.
Registration is not required for Cook Islands — traffic can be sent directly through wholesale routing.
Sender capabilities
Alphanumeric Sender IDSupported
Short codeSupported
Long numericSupported
Sender formatAlphanumeric
Approval timeInstant
FeesNo Fees
ScopeDomestic company
Registration requirements
Registration requiredNo
Restrictions
Regulatory
Other Scams
Phishing
Delivery Phishing
Sending rules
URL restrictionsNo
OTPNo
Opt-out mandatoryNo
02 — Operators
Operator regulations
1 network carry SMS traffic in Cook Islands. MNP is live in most markets — run an HLR lookup before routing.
Vodafone / BlueskyMCC 548 · Registration not required
03 — Compliance
Additional compliance notes
Country & operator-specific guidance maintained by the Sender ID team.
Requirements
Use case description.Type of traffic,Company name,Company website, Content
Required documents
N/A
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