55757
Toll-free short code · FTEU

Free-to-end-user, two-way SMS. Customers text a keyword to 55757 at no cost — to opt in, ask for a callback, verify a product or reply to a campaign — and brands answer with personalised messages or an SMS chatbot.

  • Free for customers on any mobile plan
  • Two-way messaging and SMS chatbots
  • Lead generation, feedback, product verification, policy confirmations and contests
57575
Premium short code · ILDO

The default number for international (ILDO) messages into India, used by global technology companies to reach users in India. Suffix numbering lets one code serve up to 999 separate numbers.

  • Default sender for international traffic into India
  • Suffix numbering from 57575-001 to 57575-999
  • Relied on by global technology brands

55757 · How it works

Two-way SMS that's free for your customers.

  1. 01

    Customer texts

    A customer sends a keyword to 55757 from any Indian mobile number. It costs them nothing.

  2. 02

    You receive it

    The message reaches your systems in real time, tagged with the keyword and the sender.

  3. 03

    You reply

    Answer with a personalised SMS, start a chatbot conversation or trigger a callback.

Use cases

Where brands use 55757

Banking and finance

Promote your code in ads and branches; customers text in to become leads.

Insurance

Ask new policyholders to reply YES or NO to confirm their policy details.

Healthcare and pharma

Let consumers verify that a medicine is genuine by texting the code on the pack.

Hospitality

Take bookings and orders over SMS during peak hours with a chatbot.

Marketing and contests

Run opt-in campaigns, giveaways and two-way promotions.

Feedback and KYC

Collect feedback and profile updates that feed segmentation and offers.

57575 · International

The number India sees when the world sends a message.

57575 is the default short code for international long-distance operator (ILDO) messages into India. When international companies send messages to users in India, those messages arrive from 57575.

Suffix numbering from 57575-001 to 57575-999 lets a single code carry up to 999 separate numbers, so each sender or use case can have its own.

Talk to our telecom team

Whether you want a keyword on 55757 or a 57575 suffix, we'll explain how it works and what it costs.

info@smartcirqls.com
+91 70212 62656