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Short Codes

Lightning-fast, high-volume messaging on a dedicated short code

Reach all your customers in the shortest time possible with the highest levels of throughput on a dynamic and intelligent network. Short codes enable businesses to connect with their customers in record time over an easily recognizable 5 to 6-digit number.

Get Your Short Code
Two women walking and smiling at a phone.

Communicate faster with SMS and MMS on your own dedicated short code.

A young woman and business owner making a call on her cellphone.

Send up to 100 messages per second

Tychron's carrier-grade messaging APIs provide the high throughput you need to message all your customers as quickly as you need to.

A number customers recognize and trust

Dedicated short codes are yours alone — every message, keyword, and reply belongs to your brand, on a 5-6 digit number that signals an established sender. Carrier vetting happens up front, so approved traffic flows at full speed.

Built for keywords and mass engagement

Run keyword opt-ins (text JOIN to 12345), sweepstakes, alerts, and OTP at national scale. SMS and MMS both ride the same code, and Tychron manages provisioning, carrier approvals, and migration from end to end.

Compliance that keeps you running

Short codes are held to the CTIA Short Code Monitoring Program's standards — the handbook is in our messaging resources. Tychron's vetting team reviews your program against the same rules before carriers ever see it, the same way we handle 10DLC registration.

Ecosystem

Where short codes fit in the messaging ecosystem

Short codes are one of three registered routes for A2P messaging in the United States, alongside 10DLC and verified toll-free. Each channel trades reach, cost, and identity differently — and the largest messaging programs typically run more than one.

What makes short codes different

  • Highest throughput of any channel. Short codes are built for burst delivery — appointment waves, flash promotions, national alerts, and one-time passcodes that have to land now.
  • Leased, not purchased. Dedicated codes are leased through the U.S. Short Code Registry, typically around $500/month for a random code or $1,000/month for a vanity code you choose.
  • Their own approval path. Short codes are not registered through The Campaign Registry — each carrier vets and provisions your program directly, which typically takes 8–12 weeks end to end. Tychron manages the registry lease, carrier submissions, and migrations for you.
  • Conduct governed by the CTIA. Running programs are audited under the CTIA Short Code Monitoring Program — the handbook lives in our messaging resources — so opt-in, HELP/STOP, and disclosure standards mirror the rules our vetting team already applies to 10DLC campaigns.

Picking a channel — or combining them

A common architecture: a short code for high-volume one-way alerts and keyword campaigns, 10DLC numbers for local two-way conversations with voice on the same number, and verified toll-free for national support lines. Our channel comparison breaks down registration, fees, and best-fit use cases side by side.

Resources

CTIA Short Code Monitoring Handbook

AT&T Code of Conduct

T-Mobile Code of Conduct

Short code FAQ

How long does it take to get a short code?

Plan on 8–12 weeks from lease to full carrier activation. Unlike 10DLC — where TCR approval typically lands in days — every carrier reviews and provisions a short code program individually. Tychron prepares the program brief, manages each carrier submission, and keeps your launch timeline realistic.

How much does a short code cost?

The U.S. Short Code Registry lease typically runs about $500/month for a random code or $1,000/month for a vanity code, billed quarterly by the registry. Carrier surcharges then apply per message, as on any channel. There are no TCR brand or campaign fees — short codes sit outside the 10DLC registration system.

Do short codes go through 10DLC or TCR registration?

No. Short codes are provisioned directly with each carrier through their own vetting process, entirely separate from The Campaign Registry. Compliance standards still apply — running programs are audited under the CTIA Short Code Monitoring Program, and Tychron reviews your program against those standards before carriers see it.

Should I run a short code alongside 10DLC or toll-free?

Many of the largest senders do. Short codes carry the high-volume, time-critical traffic; 10DLC adds local presence and two-way conversation; toll-free covers national support lines. Because each opt-in enrolls a consumer in one program, splitting traffic by purpose keeps every channel compliant and deliverable.

Can I keep my existing short code if I switch to Tychron?

Yes — short codes migrate between providers while keeping the same number and subscriber base. Tychron coordinates the registry transfer and carrier migrations so your campaigns keep running through the move. Note that some carriers assess a one-time migration charge (Verizon introduced a $500 fee per migrated standard-rated code in May 2026) — we flag any that apply before you commit.

Got Questions?

Our experts are standing by, ready to help you better understand short codes and how they can best complement your business messaging strategy.

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