What Is DID Number The Complete Guide: What, Why, And How

Jun 20, 2022

A DID number allows you to route incoming calls directly to your business landline or cell phone, even if the call originates from outside your local area code. One advantage of choosing DID numbers over local numbers is that they can be used worldwide, and the cost of call forwarding is often lower than the cost of international calling plans.

DIDs are useful to businesses and individuals who want more control over how their calls are routed, as well as those who prefer having no telephone receptionist screen calls before they reach their intended recipients.

Below are some quick facts about DID numbers, followed by more in-depth explanations of each concept.

What are Direct Inward Dialling (DID) numbers?

A direct inward dial (DID) number is a telephone number that rings at two or more locations. DID numbers are used by small businesses and large corporations that have multiple locations or branch offices but still want callers to reach only one location. They allow businesses to use a single local access number, which then direct calls as needed to different locations.

For example, an office supply store might give its customers in Florida a local access number with an area code of Florida while giving its customers in New York a local access number with an area code of New York. Each customer would be able to reach either store directly without having to pay long-distance charges for calling across state lines.

How does the DID number work?

A DID number functions in a similar way to traditional telephone numbers. When you call a DID number, it’s forwarded by your VoIP provider directly to your computer. You can call out using your DID number via a traditional telephone or using a VoIP client application on any computer, tablet, or smartphone – or any combination of all three!

The benefits of using VoIP and DID numbers are clear - your business can receive as many calls as it needs at no extra cost and no extra hardware required.

The benefit of using DID service

1. Cost-effectiveness

This allows customers who don’t require local numbers to purchase DIDs from anywhere in the world and use them in any country. Also, some types of calls can only be completed by dialling a local number.

For example, it is difficult for long-distance callers located outside a city or region to place an order for services or book reservations at hotels if they do not have access to local numbers on their cell phones.

2. Privacy

If you want to keep your personal information private, you can choose a private number as your DID number and make sure no one has access to your personal details.

DID Number

3. Avoid unwanted calls

It also helps you avoid unwanted calls from telemarketers. You may also choose an anonymous phone number instead of your real name or company name for business purposes.

4. Improve User Experience

Lastly, having a unique phone number with various features will help improve customer experience and attract more customers because they will know that their call will be answered quickly without waiting on hold for too long or getting disconnected midway through a conversation due to busy signals.

Get a DID Number service

There are many benefits associated with having your own dedicated phone numbers, such as increased brand recognition and direct call tracking, but first, you need a DID number.

Fortunately, it’s easy to get one. If you want a DID number for your business, you can get it from Knowlarity. When deciding on a service provider, keep in mind that some allow for lower rates and special deals if you order in bulk.

As a DID number service provider, Knowlarity offers the best DID number service at an affordable price in India.


The telephone system is much more complicated than you might think. There are all sorts of number formats, different types of numbers, and multiple ways that they’re used. DID numbers are unique identifiers for a phone line and play an integral role in routing calls between countries as well as businesses within a country.

And while there may be times when you don’t need one, most customers look for them when making phone plans with hosting companies.

To get more in-depth details about our best deals or DID service, Contact us through the toll-free number is 1800-1020-340 or write to us at customersupport@knowlarity.com

Written By:  Manna Khare


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