Types of Phone Numbers for Businesses in India
We often on chat, e-mails, calls get the immediate question from businesses/entrepreneurs that what kind of a phone number is available? It is still unclear, and the telecom operators especially in the business scenario do not explain this clearly on their portals either, so this is an attempt to demystify what are the kind of phone number options available today in India.
A business phone number in India is not a single product. Depending on what you need, you could be looking at a landline, a mobile number, an 1800 toll-free line, a 1600-series transactional number, or a virtual number. Each one works differently for inbound calls, outbound calls, SMS, and cost allocation.
1. Land-line number
– No Incoming or Outgoing SMS
– Outbound Local & STD possible
– Inbound available
– Normal call rates charged for “consumer calling in” depending upon his/her plan
– Can be reached by any mobile or land-line phone from across India and the world
– Will be location specific (for Mumbai 022-21242124, for Delhi 011-21242124, for Chennai 044-21242124 etc.
2. Mobile Number without Incoming SMS (in a smart phone solution)
– Outgoing SMS & No Incoming SMS
– Outbound Local & STD possible
– Inbound available
– Normal call rates charged for “consumer calling in” depending upon his/her plan
– Can be reached by any mobile or land-line phone from across India and the world
– The Number series will be specific as per state (+91-8088-919-888 is a Karnataka mobile number)
– Anyone outside Karnataka calling on a Karnataka mobile number has to dial with a “0” or “+91” and will be STD charge for them. Even a JustDial number is publicized with a “0” because there is no mobile number which will be local charges for all Indian consumers.
3. Mobile Number with Incoming SMS (in a smart phone solution) (also called Long Code)
– Both Outgoing & Incoming SMS available
– Outbound Local & STD possible
– Inbound available
– Normal call rates charged for “consumer calling in” depending upon his/her plan
– Can be reached by any mobile or land-line phone from across India and the world
– This are special series numbers available via some specific operators, solution providers
– Some examples are 9243-396835 (Exotel for Food) and Groupon (click here to see their case study and number 9243-76-7666)
4. Mobile Number with Incoming SMS, but NO Call facility
– Both Outgoing and Incoming SMS possible
– No Outgoing/Outbound call possible, neither Inbound/Incoming calls possible
5. Toll-Free Number (1-800-numbers)
We have covered this already in a detailed blog post here.
– No Outgoing nor Incoming SMS (Outgoing SMS possible with some solutions like ours via a sender ID, but not on a normal toll-free phone)
– No Outbound Calls
– Inbound/Incoming calls available
– Zero (0) call rates, i.e. the consumer calling in is not charged for the call, in-turn the call cost is paid by the organization owning the Toll-Free Number
– Can be reached by any mobile or land-line phone from across India only
– Provided by most solution providers, in the form of 1800-200-1611 ( for CA Club India one of our customers (1800-3000-0505 – see the below image)
6. International Toll Free Number
– No Outgoing nor Incoming SMS
– No Outbound Calls
– Inbound/Incoming calls available
– International customer of that Toll Free Number country will get a free call, i.e. if a Brazil Toll Free number is taken, then only Brazil residents will have a free “no charge” call.
7. Short Code is only for SMS
– Outgoing & Incoming SMS both available
– No Outbound/Outgoing calls possible
– No Incoming/Inbound Calls possible
– Provided in the VAS space by some providers
8. Single Number Solutions
Is like a land-line number, but basically the same phone number is blocked across certain circles/states.
– No Outgoing, nor Incoming SMS available
– Outgoing Calls possible
– Incoming Calls possible
– Can be reached by any mobile or land-line phone from across India and the world
– This type of number costs a little higher and is available only with few select telecom operators, and the number is going down of availability because some of the numbers might already have been sold across circles to other customers and hence is difficult to bring, but still possible.
9. Toll Numbers (1860-numbers)
The only 1 major difference with a Toll free Number is that on a Toll Number, the calls are charged at local rates for the “consumer” calling in to the Toll Number, rather than it being free. Rest all is same as Toll-Free Numbers.
| Feature | 1800 Toll-Free | 1860 Shared-Cost |
| Who pays for the call | Business pays in full | Caller pays local rate; business pays the rest |
| Call volume impact | Higher (zero friction for caller) | Slightly lower |
| Typical use | Customer support, helplines | Transactional callbacks, lower-volume lines |
| TRAI note | No restriction on use | Allowed; less common for B2C |
10. Virtual Number (DID / Cloud Number)
A virtual number, also called a DID (Direct Inward Dialling) or cloud number, is not tied to a physical SIM or a fixed location. Calls to the number are routed over the internet to wherever you configure: a mobile phone, an IVR, a call centre, or a distributed remote team.
- No physical SIM required
- Routable to any device, city, or team globally
- Supports IVR routing, call recording, and CRM integrations
- Can carry a local area code (e.g. 022, 080) or a mobile prefix
- Fully legal under Indian telecom regulations
- Outgoing and incoming calls available, with SMS configurable
For businesses that operate across cities or want a single inbound number that routes intelligently, a virtual phone number is the practical default. You can get a virtual phone number for India from Exotel, with call recording, IVR routing, and CRM integration built in.
All Business Phone Number Types at a Glance
Use this as a quick reference before speaking to a telecom provider:
| Number Type | Incoming Calls | Outgoing Calls | SMS | Best For | Regulatory Note |
| Landline | Yes | Local / STD | No | Fixed office presence | Location-specific area code |
| Mobile (no SMS) | Yes | Local / STD / ISD | Outgoing only | Field teams, sales reps | State-specific number series |
| Mobile (long code) | Yes | Yes | Incoming + outgoing | Customer verification, 2FA campaigns | DLT registration required for bulk SMS |
| Toll-Free (1800) | Yes (caller-free) | No | No | Customer support, helplines | Business pays per-minute inbound cost |
| Shared-Cost (1860) | Yes (caller pays local rate) | No | No | Transactional callbacks | Caller bears local call rate |
| International Toll-Free | Yes (from that country, caller-free) | No | No | Global or country-specific support lines | Separate regulatory approval required |
| Short Code | No | No | Bulk SMS only | Mass SMS campaigns | TRAI DLT registration mandatory |
| Single Number (pan-India) | Yes | Yes | No | Single brand number across all Indian cities | Limited availability; declining |
| Virtual Number (DID) | Yes | Yes (via cloud) | Configurable | Remote teams, multi-city presence, IVR routing | Fully legal; no location restriction |
| 140 Series | No | Yes (promotional) | No | Outbound promotional calls | TRAI/TCCCPR mandatory for promo calls |
| 1600 Series | No | Yes (service / transactional) | No | OTPs, order updates, service callbacks | TRAI/TCCCPR mandatory for service calls |
| 1601 Series | No | Yes (financial calls) | No | Loan updates, EMI reminders | RBI-licensed entities only |
Get a Business Number with Exotel
The 140, 1600 and 1601 Number Series: What TRAI Requires
Since 2021, TRAI’s Telecom Commercial Communications Customer Preference Regulations (TCCCPR) have required businesses to use specific number series depending on whether they are calling with a promotion or a service communication. Using the wrong series is a compliance violation.
140 Series: Promotional Calls
The 140 series is mandatory for promotional calls, meaning calls that promote a product, service, or offer the recipient has not specifically requested. Calls from 140 numbers are flagged by mobile networks and apps (including Truecaller) as promotional, so pick-up rates tend to be lower than service calls. See the TCCCPR 140 and 1600 compliance guide for the full registration process.
1600 Series: Transactional and Service Calls
The 1600 number series is for service and transactional communications: OTPs, order updates, appointment reminders, and calls where the customer has a pre-existing relationship with the business. These calls tend to see higher answer rates because they are expected by the recipient. See Exotel’s 1600 number series guide for allocation, registration, and call-flow setup.
1601 Series: Financial Calls
The 1601 sub-series is reserved for financial institutions and lending platforms under RBI guidelines. If you operate an NBFC or lend against an RBI licence, outgoing loan-related calls should use 1601.
Talk to Sales About 1600-Series Numbers
Which kind of phone number works for my business?
This is the million dollar question, only you can answer, but hopefully some examples below will help you make an easier decision.
Let me give some examples:
a) Land-line numbers are good for businesses who are local focused like a cab company such as Cabs4Hire or a restaurant serving hot food like Kaatizone in Bangalore.
b) Mobile Number without Incoming SMS are good for any business not wanting SMS on their support, and have typically India-wide customers, who will call from anywhere and mostly, any location 25/26 states will be a STD call for the customer and does not matter much. E.g. an E-Commerce company.
c) Mobile Number with Incoming SMS are for companies who would like their customers to SMS and call them on the same number, e.g. Groupon runs multiple campaigns on the number with special codes, and also receives calls on the same number.
d) Mobile Number with Incoming SMS but no Incoming calls is used by companies who want customers to SMS special offers and coupon codes to them, but not receive calls on these campaigns.
e) Toll Free Numbers are used by slightly large organizations such as Carwale, Godrej (in Exotel case) who can afford paying high call rates to subsidize for their end customer getting a free call. Also, companies dealing with children, special focused social groups use Toll Free numbers since their target market is poor and can not afford paying for call charges.
f) International Toll Free Numbers is used when any company has focus on a particular outside market, let’s assume USA, then you can buy a USA Toll Free Number, which will make it easy and free for USA residents to call on.
g) Short Code is used for running smart, short SMS campaigns and offers by many marketing & branding agencies.
h) Single Number Solutions are used by companies wanting to establish a Single Brand across all the cities in India, for example our customers JustEat have a Single Number Solution.
i) Toll Numbers are less frequently used, as their costing is same as Toll Free Numbers, and not many companies use this. It is slowly dying out.
j) Virtual Numbers (DID) are for any business that wants a professional incoming number without a physical SIM, ideal for remote teams, multi-city setups, or businesses that want IVR routing and call recording from day one.
k) 140-series numbers are mandatory for any business making outbound promotional calls. If you are running sales campaigns or cold-calling leads, your outbound line must use the 140 series under TRAI’s TCCCPR rules.
l) 1600-series numbers are for service and transactional calls, OTPs, order updates, appointment reminders. If your outbound team is calling existing customers on operational matters, 1600 is the correct series.
If you are looking to obtain a phone number for your business and set up a simple IVR (Interactive Voice Response) system, contact Exotel today or start a free trial.
Once you have the right number, you can layer AI on top of it, learn how to set up a voice agent for your phone number, covering configuration, routing, and what to test before going live.
What about fancy/vanity/special numbers?
Fancy, Vanity, Special numbers like 8880008888 (Shopperson) etc. are available at an extra premium price on all types of phone number options in India. It is typically the businesses decision on how much will it matter to have the number easy to remember. For someone like JustDial or JustEat it is important, but for us at Exotel, not that important.
We hope this post has helped you understand the A-Z of all types of phone numbers available in India, and you can take a better informed decision on what is right for your business.
How to Get a Business Phone Number in India
The process varies by number type, but the essentials are the same across providers.
- Choose your number type. Refer to the comparison table above if you are still deciding.
- Prepare KYC documents: business PAN, GST certificate, address proof, and authorised signatory ID are typically required.
- Register on TRAI’s DLT platform. This is mandatory for any business sending bulk SMS or making bulk outbound calls, promotional or transactional. DLT registration also governs 140 and 1600 number provisioning.
- Place the order with your provider. For a toll-free or virtual number, provisioning typically takes 1 to 3 working days. Short codes can take up to 30 days.
- Configure call flows. Set up your IVR, routing rules, and call recording before going live.
Common Mistakes When Choosing a Business Phone Number
- Using one number for all call types. A single line for both inbound support and outbound promotional calls creates TRAI compliance problems. Use the right series for each call type.
- Publishing personal mobile numbers publicly. Once out, you cannot take it back. A virtual number lets you redirect, record, and retire the number without changing the public-facing contact.
- Ignoring per-minute costs at scale. Toll-free numbers cost the business per minute. At thousands of calls a month, the cost difference between a toll-free line and a virtual number is material.
- Skipping DLT registration. If you send OTPs or transactional SMS and are not registered on the TRAI DLT portal, your messages will be blocked.
- Using the wrong number series for outbound calls. TRAI has flagged hundreds of entities for misusing the 140/1600 series. The penalty includes suspension of outgoing services.
Frequently Asked Questions
What is the difference between an 1800 toll-free number and an 1860 number?
An 1800 toll-free number is entirely free for the caller: the business pays all per-minute inbound charges. An 1860 shared-cost number charges the caller a local call rate and splits the remaining cost with the business. For customer support lines where inbound call volume matters, the 1800 series removes all friction for the caller.
Is it mandatory to use a 1600 number for service calls in India?
Yes, under TRAI’s TCCCPR framework, businesses must use the 1600 series for transactional and service communications such as OTPs, order updates, and appointment reminders. Using a regular mobile number or landline for these calls is non-compliant and may result in the calls being flagged or blocked.
Is a virtual phone number legal in India?
Yes. Virtual numbers (also called DID or cloud numbers) are fully legal in India and operate under standard telecom licences. Providers like Exotel hold the required TRAI authorisations. There is no requirement for the number to be tied to a physical SIM.
Can a business have more than one phone number?
Yes. Most businesses use several: a toll-free or virtual number for inbound support, a 1600-series number for outbound service calls, and a 140-series number for outbound promotional calls. There is no regulatory limit on how many numbers a business can hold, provided each is registered and used for the correct call type.
What does a toll-free number cost in India?
The cost depends on your provider and call volume. Businesses typically pay a monthly rental for the number plus a per-minute inbound rate. Callers pay nothing. Exotel’s toll-free pricing is on the pricing page.
How long does it take to get a virtual number in India?
Most virtual numbers from a cloud telephony provider like Exotel are provisioned within 1 to 2 working days after KYC verification. Toll-free numbers take 1 to 3 working days. Short codes can take up to 30 days because they require TRAI allocation.
What is the 140 number series in India?
The 140 series is a TRAI-mandated prefix for outbound promotional calls. Any business making unsolicited or promotional outbound calls must originate them from a 140 number. Calls from 140 numbers are visible to recipients as promotional, which is why answer rates are generally lower than service calls on the 1600 series.
What documents do I need to get a business phone number in India?
You typically need your business PAN card, GST registration certificate, proof of address, and the ID of the authorised signatory. For bulk SMS or outbound calls, you also need to complete DLT registration on the TRAI portal.
