SMS Term
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.
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.
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.
Carrier
A mobile network provider like Verizon, AT&T, or T-Mobile that delivers SMS messages to customers. Each carrier has its own filtering rules and compliance requirements for business texting.