SMS Term
Short Code
A 5- or 6-digit phone number leased by businesses to send high-volume SMS messages. Short codes ensure faster throughput and higher deliverability compared to standard numbers.
Related Terms
10DLC (10-Digit Long Code)
A standard 10-digit phone number registered with carriers for business A2P messaging. Requires brand and campaign registration but offers better deliverability and throughput than unregistered numbers.
List Hygiene
The practice of regularly cleaning your contact list by removing invalid numbers, unsubscribes, and inactive contacts. Improves delivery rates and reduces costs from sending to dead numbers.
Long Code
A standard 10-digit phone number used for one-to-one messaging. Ideal for low-volume, conversational SMS and two-way communication with customers.