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Bulk SMS Service Provider in Kolkata

DLT-compliant Transactional, OTP, Promotional and International SMS for Kolkata businesses, from ₹0.12/SMS. Automatic fallback routing means your messages get through even when one network is congested.

Jute & Steel Retail BFSI Education
Get Free Demo ☎ Talk to Sales: 1800 102 1822
10,000+ Businesses Served
99.9% Uptime SLA
Since 2009 — 15+ Years
ISO 27001 Certified
TRAI DLT Registered

Quick Answer

SMSGatewayHub is a DLT-registered bulk SMS provider serving Kolkata, West Bengal, with Transactional, OTP, Promotional and International SMS delivered in 2-6 seconds via multi-operator fallback routing and a 99.9% uptime SLA, priced from ₹0.12/SMS with no setup fee.

Why Kolkata Businesses Choose SMSGatewayHub

Kolkata businesses juggle high message volumes during peak hours — here's what sets SMSGatewayHub apart locally.

Speed & Delivery Reliability

Multi-operator routing with automatic failover keeps typical delivery at 2-6 seconds, even during Kolkata's peak traffic hours.

DLT Compliance, Handled End-to-End

Entity registration, sender ID approval and template matching are completed during onboarding, so Kolkata campaigns don't get blocked at send time.

Transparent, Pay-Per-Delivered Pricing

Kolkata businesses pay from ₹0.12/SMS, only for delivered messages, not attempts, with full route-wise rates published on the pricing page.

One Dashboard, Every Channel

SMS, WhatsApp, RCS, Voice and Email campaigns for Kolkata businesses are managed from a single panel with live delivery reports.

Built for Kolkata's Growing Industries

Kolkata's Jute & Steel sector sends thousands of alerts daily — SMSGatewayHub keeps them all DLT-compliant and on time.

Bulk SMS in Nearby Cities

Raipur Hyderabad Delhi

Frequently Asked Questions — Bulk SMS in Kolkata

Why should Kolkata businesses choose SMSGatewayHub for bulk SMS?

Beyond raw delivery speed, Kolkata companies choose SMSGatewayHub for hands-on DLT registration support, transparent pay-per-delivered pricing and a single dashboard covering SMS, WhatsApp and Voice.

What is the price of bulk SMS in Kolkata?

Bulk SMS pricing for Kolkata businesses starts from ₹0.12 per SMS on promotional routes, with Transactional and OTP routes starting at ₹0.18 per SMS. SMSGatewayHub offers slab-based discounts for high-volume senders — see full route-wise pricing on the pricing page.

Do I need DLT registration to send bulk SMS in Kolkata?

Yes, TRAI mandates DLT (Distributed Ledger Technology) registration for all commercial SMS senders in India, including Kolkata. SMSGatewayHub helps Kolkata businesses register on the DLT platform and get sender IDs and templates approved as part of onboarding.

What is the SMS delivery speed in Kolkata?

SMSGatewayHub delivers bulk SMS to Kolkata mobile numbers in 2-6 seconds through multi-operator routing with automatic failover, backed by a 99.9% uptime SLA.

What SMS routes are available for Kolkata businesses?

Transactional, OTP, Promotional and International SMS routes are all available for Kolkata businesses, along with WhatsApp Business API, RCS and Voice SMS from the same dashboard.

Ready to Send Bulk SMS in Kolkata?

Get started in minutes — DLT registration support included for Kolkata businesses.

Get Free Demo ☎ 1800 102 1822