{
  "dataset_version": "2026-07-26",
  "description": "Regulatory summaries, not legal advice. Public, well-documented sender-ID and alphanumeric-registration regimes for 40 countries. Compiled for https://smsroute-cc.github.io/tools/sender-id-rules-by-country.html; deeper background at https://smsroute.cc/blog/sms-sender-id-by-country-rules.",
  "rows": [
    {"iso2": "US", "country": "United States", "alphanumeric": "not-supported", "regime": "10DLC", "notes": "US carriers do not deliver alphanumeric sender IDs; brands register a 10DLC campaign or use a toll-free/short code instead.", "basis": "per CTIA messaging principles / carrier A2P 10DLC framework", "verified": "2026-07-26"},
    {"iso2": "CA", "country": "Canada", "alphanumeric": "not-supported", "regime": "other", "notes": "Alphanumeric sender IDs are not reliably delivered; A2P traffic typically runs over long codes or short codes instead.", "basis": "per Canadian carrier A2P messaging practice", "verified": "2026-07-26"},
    {"iso2": "GB", "country": "United Kingdom", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are widely used; no centralized government pre-registration beyond normal carrier/aggregator onboarding.", "basis": "per UK mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "DE", "country": "Germany", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used by businesses with no centralized registry.", "basis": "per German mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "FR", "country": "France", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are widely used; no centralized government registry for the sender ID itself.", "basis": "per French mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "NL", "country": "Netherlands", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Dutch mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "PL", "country": "Poland", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Polish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "SE", "country": "Sweden", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Swedish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "ES", "country": "Spain", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Spanish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "IT", "country": "Italy", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Italian mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "PT", "country": "Portugal", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Portuguese mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "BE", "country": "Belgium", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Belgian mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "AT", "country": "Austria", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Austrian mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "CH", "country": "Switzerland", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Swiss mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "IE", "country": "Ireland", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Irish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "DK", "country": "Denmark", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Danish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "NO", "country": "Norway", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Norwegian mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "FI", "country": "Finland", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Finnish mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "CZ", "country": "Czechia", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used with no centralized registry.", "basis": "per Czech mobile network operator practice", "verified": "2026-07-26"},
    {"iso2": "AE", "country": "United Arab Emirates", "alphanumeric": "pre-registration", "regime": "GCC-prereg", "notes": "Alphanumeric sender IDs must be registered with local operators before use; unregistered senders are commonly blocked.", "basis": "per UAE TRA / telecom operator sender ID registration requirement", "verified": "2026-07-26"},
    {"iso2": "SA", "country": "Saudi Arabia", "alphanumeric": "pre-registration", "regime": "GCC-prereg", "notes": "Alphanumeric sender IDs require pre-registration with local operators; unregistered senders are commonly blocked or overridden.", "basis": "per CITC Saudi Arabia sender ID registration requirement", "verified": "2026-07-26"},
    {"iso2": "QA", "country": "Qatar", "alphanumeric": "pre-registration", "regime": "GCC-prereg", "notes": "Alphanumeric sender IDs generally require registration with local operators, following the wider GCC pre-registration pattern.", "basis": "per Qatar telecom operator sender ID registration practice", "verified": "2026-07-26"},
    {"iso2": "TR", "country": "Turkey", "alphanumeric": "pre-registration", "regime": "IYS", "notes": "Marketing messages require İYS (electronic message management system) consent records plus an operator-level sender title (başlık) registration.", "basis": "per BTK / İYS Turkey electronic messaging regulation", "verified": "2026-07-26"},
    {"iso2": "KR", "country": "South Korea", "alphanumeric": "pre-registration", "regime": "KISA", "notes": "Sender numbers/IDs used for bulk messaging must be pre-registered; KISA operates the sender number verification system used by carriers.", "basis": "per KISA sender number pre-registration requirement", "verified": "2026-07-26"},
    {"iso2": "JP", "country": "Japan", "alphanumeric": "not-supported", "regime": "other", "notes": "Japanese carriers commonly override or restrict custom alphanumeric sender display; numeric and short-code routes are the standard path.", "basis": "per Japanese mobile carrier SMS delivery practice", "verified": "2026-07-26"},
    {"iso2": "IN", "country": "India", "alphanumeric": "pre-registration", "regime": "DLT", "notes": "Sender headers and content templates must be registered on the DLT (Distributed Ledger Technology) platform via a TRAI-registered telecom operator before sending.", "basis": "per TRAI DLT regulation for commercial SMS", "verified": "2026-07-26"},
    {"iso2": "SG", "country": "Singapore", "alphanumeric": "pre-registration", "regime": "other", "notes": "Alphanumeric sender IDs must be registered in the SMS Sender ID Registry (SSIR); unregistered alphanumeric senders are labeled 'Likely-SCAM' by default.", "basis": "per Singapore SMS Sender ID Registry (SSIR) requirement", "verified": "2026-07-26"},
    {"iso2": "MY", "country": "Malaysia", "alphanumeric": "pre-registration", "regime": "other", "notes": "Alphanumeric sender IDs generally require registration with local operators/regulator before delivery.", "basis": "per Malaysian telecom operator sender ID registration practice", "verified": "2026-07-26"},
    {"iso2": "PH", "country": "Philippines", "alphanumeric": "allowed", "regime": "other", "notes": "Alphanumeric sender IDs are commonly used; some operators require additional registration for masking/bank-grade sender names.", "basis": "per Philippine mobile operator practice", "verified": "2026-07-26"},
    {"iso2": "VN", "country": "Vietnam", "alphanumeric": "pre-registration", "regime": "other", "notes": "Alphanumeric 'brandname' sender IDs require pre-registration with local telecom operators, typically backed by a business license.", "basis": "per Vietnam telecom operator brandname registration requirement", "verified": "2026-07-26"},
    {"iso2": "NG", "country": "Nigeria", "alphanumeric": "pre-registration", "regime": "other", "notes": "Sender IDs must be registered with the Nigerian Communications Commission (NCC) via a local aggregator before use.", "basis": "per NCC Nigeria sender ID registration requirement", "verified": "2026-07-26"},
    {"iso2": "ZA", "country": "South Africa", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used without a centralized government sender-ID registry.", "basis": "per South African mobile operator practice", "verified": "2026-07-26"},
    {"iso2": "BR", "country": "Brazil", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are generally allowed; higher-volume A2P traffic typically goes through local aggregator approval.", "basis": "per Brazilian mobile operator A2P practice", "verified": "2026-07-26"},
    {"iso2": "MX", "country": "Mexico", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used without a centralized government sender-ID registry.", "basis": "per Mexican mobile operator practice", "verified": "2026-07-26"},
    {"iso2": "AU", "country": "Australia", "alphanumeric": "pre-registration", "regime": "AU-rollout", "notes": "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.", "basis": "per ACMA / Australian mobile carrier SMS Sender ID Registration Program", "verified": "2026-07-26"},
    {"iso2": "NZ", "country": "New Zealand", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used without a centralized government sender-ID registry.", "basis": "per New Zealand mobile operator practice", "verified": "2026-07-26"},
    {"iso2": "EG", "country": "Egypt", "alphanumeric": "pre-registration", "regime": "other", "notes": "Sender IDs generally require regulator/operator approval before commercial use.", "basis": "per NTRA Egypt sender ID registration practice", "verified": "2026-07-26"},
    {"iso2": "PK", "country": "Pakistan", "alphanumeric": "pre-registration", "regime": "other", "notes": "Commercial sender IDs (headlines) must be registered with operators under PTA anti-spam rules before sending.", "basis": "per PTA Pakistan SMS headline (sender ID) registration requirement", "verified": "2026-07-26"},
    {"iso2": "RU", "country": "Russia", "alphanumeric": "pre-registration", "regime": "other", "notes": "Alphanumeric sender names require registration tied to a legal entity, arranged through a licensed local aggregator.", "basis": "per Russian mobile operator alphanumeric name registration requirement", "verified": "2026-07-26"},
    {"iso2": "HK", "country": "Hong Kong", "alphanumeric": "allowed", "regime": "none", "notes": "Alphanumeric sender IDs are commonly used without a centralized government sender-ID registry.", "basis": "per Hong Kong mobile operator practice", "verified": "2026-07-26"}
  ]
}