Better Branding & Trust

With shorter numbers, your supporters can recall your brand better. Organizations using shortcodes are also perceived as more authentic.

More Opt-ins

With a 5-6 digit number, you will improve your chances to drive more opt-ins with Text to Join campaigns.

Reach larger audiences

Unlike longcodes(10 digit number), with shortcodes you can send up to 100 texts/second. Reach large audiences quickly.

Improved SMS Opt In(Text to Join) Campaigns


What is a SMS Opt-in Campaign?

When people text a keyword (SUBSCRIBE) to a 5-6 digit SMS number i.e short code (Text SUBSCRIBE to 33339), they’ve “opted-in” to your list allowing you to send regular text updates to their cellphone.


How Short codes make it better?

Short codes are 5-6 digit numbers. This is easier to remember and has better connect to the brand. It is much easier to promote on your events, website, email campaigns and even on your social media updates.


Text SHORTCODE to 33339

Reach a large audience, faster

Shortcodes allow you to send up to 100texts/second. That's 360,000 people in an hour. Send out large volumes of texts quickly without getting blocked by carriers.


Automatically Gather Data

Publish a phone number and keyword at your event and ask people to opt-in using SMS. CallHub will automatically get their name and email. It will then create their contact profile for you.

People who attend your events are your biggest supporters. Do not miss a single person using CallHub's SMS Opt-in campaigns.

“The ease of setting up campaigns has made getting messages out to interested prospects so much easier! Many systems out there have you spend too much time trying to work prospects vs. using it to connect with people. Callhub is the answer now and always for my marketing purposes!"

Julie Barkley
Small Business Owner

“CallHub has become my go-to platform for affordable phone canvassing campaigns, voice broadcasts and text message blasts. In particular, text message blasts are the single most useful tool for volunteer mobilization that I have used in recent years."

Jordan Bober
Director of Development and Election Readiness
Green Party of Prince Edward Island

Ready to rent a short code? Start here.


I agree to the terms of service and privacy policy

Should you get a dedicated short code or a
shared short code to collect SMS Opt Ins?

Dedicated Short Code

> You own the number so you can create as many keywords as you like.

> Short code pricing: $500 - $1000 per month.

> Full control over sending rate.

Shared Short Code

> You rent individual keywords (eg. SUBSCRIBE) and not the whole number.

> Shared short code pricing: $25/month per keyword.

> Sending rate is shared between organizations using the same short code.


Features for everything text message marketing

Easily handle opt outs

Subscribers can opt-out by sending STOP, UNSUBSCRIBE or CANCEL. They’re automatically added to a Do Not Call list and not contacted in the future.


Collect all the data you need

Along with phone number also collect name, email, zipcode and more details through automated text interactions.


Schedule now, relax later

Set up event invites and reminders in advance so you don’t have to worry about it at the last minute.


Advanced analytics

Daily reports so you know how many people see your texts, compare response rates between scripts and keep track of opt-outs.


Use the information you collect on subscribers to personalize each text. Eg. {first_name} is replaced by a contact’s first name.

Add unlimited contacts

We don’t charge for contacts, ever.

sync your data

Share SMS marketing data with all your tools

Connects with your CRM to sync subscribers and collected data. Profiles are created in your CRM for new subscribers.

CallHub Blackbaud Integration
nationbuilder voice and sms integration
CallHub integrates with ActionNetwork
blue state digital logo
zapier integration

Customers who trust us with their text marketing

CallHub Blackbaud Integration
amnesty international logo
dogwood alliance
sierra club
Organizing for Action
Human rights campaign
Broadbent Institute uses CallHub for donor stewardship
try it free. no credit card required.

Ready to see SMS marketing in action?

I agree to the terms of service and privacy policy