01 — Regulations
Domestic vs International
Requirements differ by who is sending. Pick the scope that matches your business.
Registration is not required for Guam — traffic can be sent directly through wholesale routing.
Sender capabilities
Alphanumeric Sender IDNot supported
Short codeNot supported
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
5 networks carry SMS traffic in Guam. MNP is live in most markets — run an HLR lookup before routing.
DocomoMCC 310 · Registration not required
GTA WirelessMCC 310 · Registration not required
Guam Teleph. Auth.MCC 310 · Registration not required
IT&E OverSeasMCC 310 · Registration not required
Wave Runner LLCMCC 310 · Registration not required
03 — Compliance
Additional compliance notes
Country & operator-specific guidance maintained by the Sender ID team.
Requirements
Company name,Contact email,Contact mobile number,Contact person,Estimated monthly volume,Message Example,Type of Traffic,Use case description, Content Sample
Required documents
N/A
Need help registering your Sender ID?
Our compliance specialists assist with registration requirements, document review, operator approvals, and both domestic and international onboarding.
190+ countriesDomestic & international
Explore