A2P 10-DIGIT LONG CODES

Buy A2P 10DLC phone numbers for texting

A 10-digit long code (10DLC) is the approved U.S. channel for business messaging using familiar local numbers. With A2P 10DLC, you can launch compliant, high-speed texting campaigns on numbers your customers already know and trust — and that they can call, too.

Talk to a 10DLC Expert
Get Your 10DLC Phone Number
Image for Buy A2P 10DLC phone numbers for texting
Join over 150,000 businesses, including 8 of the 10 largest tech companies in the world

MAKE THE MOST OF 10DLC

What is the benefit of A2P 10DLC?

A 10-digit long code (10DLC) combines the reach of local NANP numbers with the speed, compliance, and cost-efficiency companies need for alerts, authentication, marketing, and support.

Faster message delivery

Enterprise-approved throughput — up to 75 TPS — means time-sensitive alerts get to customers in seconds, not minutes.

Local number trust

A familiar area code builds rapport and supports two-way SMS, MMS, and voice conversations, all from one number.

Built-in compliance

CTIA-aligned brand and campaign vetting via TCR reduces blocking and fines, saving you money.
Image for Reach customers faster with 10DLC’s high throughput

SEND WITH CONFIDENCE

Reach customers faster with 10DLC’s high throughput

10DLC throughput is tailored to your brand’s vetting score, so OTPs, alerts, and reminders reach customers quickly — even at scale.

  • Up to 75 TPS with enterprise approval

  • Less risk of spam filtering

  • Ideal for both low and high volumes

Image for Boost engagement with a familiar local number

BUILD CUSTOMER TRUST

Boost engagement with a familiar local number

Customers are more likely to read and respond when messages come from a familiar area code they can also call.

  • Choose area codes that match your market

  • One number for SMS, MMS, and voice

  • Higher open and reply rates

Image for Keep texting campaigns compliant without breaking your budget

STAY COMPLIANT & COST-EFFICIENT

Keep texting campaigns compliant without breaking your budget

Replace unvetted long codes with an approved, affordable 10DLC numbers designed for long-term reliability.

  • CTIA & enterprise-aligned registration

  • Opt-in/opt-out and HELP keyword support

  • Lower cost than dedicated short codes

WHAT 10DLC OFFERS

Looking for virtual phone numbers? 10DLC offers everything you need

Voice & messaging supported

One 10-digit long code supports two-way SMS, MMS, and voice for smooth conversations.

Higher throughput

Brand scores deliver enterprise-approved speeds with dedicated numbers available.

Brand & campaign registration

Transparent vetting through TCR boosts deliverability and strengthens trust.

Local number identity

Choose area code-specific numbers to give every message a hometown feel.

API & dashboard management

Easily manage brands, campaigns, and numbers through a simple dashboard or robust APIs.

Compatible with landlines

Add text support to existing landlines to keep your established business number.

Number anonymization

Protect personal information by masking numbers and keeping all conversations secure.

STIR/SHAKEN support

Caller ID authentication gives customers confidence to answer your calls.

WHERE IT WORKS

Popular 10DLC phone number use cases

Alerts & notifications

Send reminders, delivery updates, and service alerts the moment they matter — no spam folder detours.

Two-factor authentication (2FA)

Deliver one-time passcodes instantly and securely to protect logins, payments, and user accounts.

Customer service

Support real-time, two-way texting or voice calls so teams can resolve issues faster and boost satisfaction.

Marketing & promotions

Run localized campaigns that feel personal, lift open rates, and drive more clicks — and save money doing it.

Transactional messaging

Send confirmations, password resets, and fraud alerts reliably through a verified, enterprise channel.

Frequently asked questions about A2P 10DLC

A 10-digit long code is the approved U.S. channel for business (A2P) messaging using local phone numbers, offering higher reliability and throughput than standard long codes.

You register your Brand and Messaging Campaigns with The Campaign Registry (TCR). Sinch automates the steps through its APIs and portal.

Throughput depends on your brand’s trust score and approved campaign type. Higher trust scores mean higher TPS.

Standard registration takes about 7–10 business days, and many brands start sending within 3–5 days using Sinch’s five-step setup.

You’ll need a Sinch account, an EIN (or sole-proprietor option), and sample messages for your use cases to complete TCR registration.

Yes. You can enable texting on your current landline to send and receive messages without changing your number.

10DLC is enterprise-sanctioned and vetted via TCR, reducing blocking and fines. It’s more affordable than dedicated short codes and replaces short codes and unvetted long codes.

Sinch is the only CPaaS provider with direct two-way 10DLC SMS connections to all Tier 1 U.S. carriers — plus automated onboarding and flexible number options. 

Sinch is a registered Campaign Service Provider (CSP) and Direct Connect Aggregator (DCA).

Talk to an expert about 10DLC

Learn how to launch your compliant A2P 10DLC on a trusted 10-digit long code, get 75 TPS, better deliverability, and local trust.