
Best Bulk SMS Services in Kolkata – Instant Delivery & 98% Open Rate
Kolkata is a greate business hub in West Bengal,India. In the field of Digital marketing kolkata always looking for the best bulk sms services in kolkata. At Dot Technologies, we specialize in low-cost bulk SMS services in the competitive market. Whether you’re announcing a new product, sharing discounts, or sending transactional alerts, our platform guarantees instant delivery across Airtel, Jio, Vodafone, BSNL, and MTNL networks. We never miss occastional messages during durgapuja, dhanteras, x-mass and others festival time.
How Dot Technologies provide best bulk sms services in kolkata
We are the best Bulk SMS Service Provider in Kolkata also know as low cost bulk sms service provider in kolkata providing Transactional SMS with strong API.
As a Bulk SMS Marketing Agency in Kolkata we serve facilities as follows-
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Instant PE-Chain Activation: Connect seamlessly with your DLT-registered platform.
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98% Open Rate: SMS outperforms emails with near-instant engagement.
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Zero Hidden Costs: Transparent pricing, no setup fees.
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24/7 Support: Resolve DLT issues or campaign queries quickly.
Why Bulk SMS Works for Kolkata Businesses
1. Hyper-Local Reach :
Send personalized messages to customers across Kolkata, Howrah, Salt Lake, and beyond. We Provide A2P SMS gateway and ensure your promotions hit the right phones.
2. Cost-Effective Marketing:
Skip expensive print ads or postage. Bulk SMS costs as low as 0.22 per message – perfect for startups and enterprises.
3. Timely & Immediate :
Launch flash sales, event reminders, or payment alerts instantly.
4. DLT-Compliant & Secure :
We integrate effortlessly with your registered DLT template, ensuring 100% legal compliance.

How We Outperform Other SMS Providers in Kolkata
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Guaranteed Delivery: 99% success rate via direct operator partnerships.
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Personalized Campaigns: Add names, offers, or locations to boost replies.
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Real-Time Analytics: Track opens, clicks, and conversions.
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API Integration: Automate SMS for OTPs, invoices, and alerts.
Pricing Plans for Every Budget
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Transactional SMS: Ideal for banks, schools, and e-commerce.
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Promotional SMS: Blast discounts to 10,000+ contacts in seconds.
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Custom Plans: Bulk discounts for long-term clients. Check Pricing
Bulk SMS Use Cases for Kolkata Businesses
- Retail Stores: Send festive offers to shoppers in Gariahat or New Market.
- Real Estate: Notify buyers about new Kolkata properties.
- Healthcare: Remind patients of appointments in Howrah or Behala.
- Restaurants: Share monsoon discounts with foodies in Park Street.
How to Choose the Best SMS Provider in Kolkata
Before hiring a bulk SMS company, ask:
1. Do they offer PE for DLT?
2. Is their platform DLT-compliant?
3. Are there hidden charges? (We charge ₹0.22/SMS (1 lack sms) – no extra cost!)
4. Do they support Marathi/Bengali scripts?
Testimonials:
Excelent Service provided by Dot Technologies and grow our sale outstanding experience- Mani Group [Real Estate] Kolkata.
Greate Experiance using bulk sms services- Bengal Shristi Infrustructure Pvt Ltd.[Real Estate] Kolkata.
Ready to Grow? Start Your SMS Campaign Today!
Join Many Kolkata businesses trusting Dot Technologies for:
- Same-day activation
- Free DLT template assistance
- 24/7 support (Mon-Sat, 10 AM–7 PM)
Call [9933919217] or WhatsApp [919933919217] for a FREE Consultation!
Conclusion: Bulk SMS – Your Reliable bulk sms marketing agency kolkata
Bulk SMS services offer a powerful and cost-effective way for businesses of all sizes to connect with their target audience and achieve their marketing goals. By choosing the right provider and utilizing effective SMS blast strategies, you can unlock the full potential of this powerful communication tool and reach new heights of success.

