Local direct SMS in Bulgaria
Registered Sender ID traffic delivered over direct connections to all 3 mobile networks in Bulgaria.
Last verified 23 October 2026
Mobile networks
| Network | MCC / MNC | Alphanumeric Sender ID | Status |
|---|---|---|---|
| A1 M-TEL | 284 / 01 | Supported | Active |
| Vivacom | 284 / 03 | Supported | Active |
| Yettel | 284 / 05 | Supported | Active |
Sender ID at a glance
Full Sender ID rules →- Registration
- Required on every network
- Setup fee
- USD 100 per network
- Lead time
- 21 business days
- Recurring fee
- None
Compliance highlights
All compliance rules →- Quiet hours
- No statutory quiet hours identified; send promotional SMS 08:00-20:00 local time (industry best practice). Transactional/OTP 24/7.
- Consent
- Prior opt-in consent required for promotional SMS under GDPR + Personal Data Protection Act; transactional/OTP allowed within an existing service relationship.
- Data protection law
- GDPR + Personal Data Protection Act. Supervisory authority: CPDP.