SMS to Bulgaria.

Dialing code +359 · Europe. See which sender types, carrier registration timelines, and local compliance rules apply before you send transactional or marketing SMS to Bulgaria.

Get Started Contact Sales

Part of Bird SMS. Check sender eligibility, registration lead times, and local rules across every market you serve.

Policy last updated 23 July 2026

What you can send

SMS

Two-way messaging

Not available

Sender types

Compare the sender types listed for this destination, their registration requirements and recorded setup estimates. Confirm availability, throughput and timing for your use case.

Sender	Activation	Setup time	Sender ID	Notes
Alphanumeric Sender ID	Optional registration	Varies	The sender ID is overwritten with an alphanumeric sender ID chosen by the provider until registration is approved, then the approved sender ID is preserved.	One-way only.

Rules & regulations

Use this recorded country reference to prepare your launch. Requirements can depend on message purpose, sender type, network and recipient location; confirm the applicable rules before sending.

Template approvalNot required

Quiet hoursNo window recorded

What this market refuses

Gambling traffic info: The Gambling Act 2014 prohibits the direct advertising of gambling, including unsolicited electronic messages containing information about gambling. "Direct advertising" is a defined term and means information distributed in any form and with any means whatsoever, which directly invites customers to take part in gambling games.

Not allowed:

Creating the impression that by participating in the game the consumers may solve personal or financial problems or achieve well-being.
Inviting citizens to participate in the game with promises of big winnings.

Allowed:

Names of the games.
Registered trademark of the organizer.
Holding of the drawings (for example, lottery results).
Results of the games or winnings paid

One API

Launch in new markets without changing your code

Send to every country from the same SMS API endpoint. Register or provision an eligible local sender, enable the destination country on your workspace allowlist so traffic can only reach approved markets, and track real-time carrier delivery receipts through signed webhooks.

Sending to Bulgaria, answered

Common questions about sender registration, two-way replies, and compliance when launching SMS in Bulgaria.

Do I need to register a sender before sending SMS to Bulgaria?

Registration is optional for an alphanumeric sender ID. You can send before approval, but the sender ID is overwritten until approval and preserved afterward. For an alphanumeric sender ID the name itself is registered. Confirm how the approved sender is presented on the destination networks.

Can I use an alphanumeric sender ID in Bulgaria?

Yes. Registration is optional: before approval the carrier overwrites the sender ID, and after approval the approved sender ID is preserved.

Can I receive replies from Bulgaria?

No. You can send messages here but not receive replies.

Are there quiet hours for SMS in Bulgaria?

No country-wide sending window is recorded here. Confirm the rules that apply to your message purpose and recipient location.

What other channels can Bird reach Bulgaria on?

WhatsApp and Voice, from the same account and API.

The rest of the SMS platform

Provision compliant senders, lock down workspace destinations, and deliver SMS across global mobile networks from one API.

Sender-ID registrationRegister branded alphanumeric sender IDs and phone numbers ahead of launch in countries that require carrier approval.RoutingProtect your budget with default-deny destination allowlists, upfront sender checks, and real-time carrier delivery receipts.NumbersProvision local long codes, verified toll-free numbers, short codes, and branded alphanumeric sender IDs for your markets.SendingSend OTPs, transactional alerts, and bulk notifications with automatic segment inspection and idempotent retries.Two-wayReceive customer SMS replies on the same phone number via HMAC-signed webhooks for support and confirmations.All destinationsCompare sender rules, registration lead times, two-way support, and consent requirements across every country Bird reaches.

Scale without
losing control.

Organize teams in workspaces, control API access, and trace changes through audit logs.

HarborOrganization

WorkspacesProductionSandbox

Delivery agent

API key · Customer operations team

Active

PermissionsAccess

EmailRead & write

SMSRead & write

ALAlex Lee AdminPermissions updated

Audit log

Production

Workspace: Production
Resource: Delivery agent
WhatsApp: Read accessRead & write

Succeeded

Workspaces Team roles API authentication

Explore Enterprise

Start with SMS.
Build across channels with Bird.