A Complete Guide to Understanding CNAM Lookup

Identifying incoming calls is crucial for businesses and individuals alike. This is where CNAM (Caller ID Name) Lookup APIs come into play. A CNAM Lookup API allows you to retrieve the name associated with a phone number, providing valuable information about the caller’s identity. This information can be essential for businesses making informed decisions about incoming calls. With this information, they can improve their customer service, confirm compliance, and enhance overall communication efficiency.

CNAM can be essential in fielding spam, prioritizing calls, and notifying you of calls from loved ones. Whatever you’re using CNAM for, it’s essential to understand it fully when comparing it to other data sources. Let’s take a look at this helpful guide.

What is CNAM Lookup?

CNAM (Caller Delivery Name) Lookup is a service that allows you to identify the name and contact information associated with a phone number. This allows businesses to field phone numbers when receiving phone calls and better reach their target audience when reaching out to customers. For individuals, CNAM lookup can be especially helpful in verifying whether calls come from loved ones, businesses, organizations, or spam. Both functions are becoming even more necessary as users become inundated with spam calls, causing them to miss calls that could be essential.

How Does CNAM Work?

CNAM is a 15-character string containing a caller’s name displayed on any chosen device. Unlike Wireless Local Number Portability (WLNP) data, no master CNAM database contains all the authoritative CNAM data in one place. Instead, each carrier supplies CNAM values to one of 12 databases. When a call is made, the caller’s phone number is sent to the recipient’s network, which then queries a CNAM database maintained by telecommunications companies or third-party providers to retrieve the caller’s name. This information is then displayed on the recipient’s phone. CNAM helps recipients identify callers more easily by providing additional context beyond just the phone number.

Problems with Traditional Providers

Providers following the CNAM industry-standard see roughly 50% coverage. For the other 50% of data they lack, they return filler data like “Wireless Caller.” This provides no value to the consumer. Because of this, some CNAM providers have started supplementing network data with non-authoritative data to increase coverage.

In addition, traditional CNAM providers have a 15-character limit on caller information, meaning that even if you receive information on callers, you may not know everything about them, making fielding calls difficult. This information may not be accurate, either, as many carriers don’t supply this subscriber information and the ones that do may take years to update caller information, even if callers change their numbers. In sum, the information you receive from CNAM providers is incomplete and inaccurate, if it’s even there at all. 

The Better Alternative to Traditional CNAM Providers: Trestle

Unlike traditional CNAM providers’ methods, Trestle created a CNAM lookup solution, Smart CNAM API, which provides a similar caller name but doesn’t have the limitations seen with traditional CNAM. Smart CNAM API uses modern technology to validate a phone number and provide the name of the person or business to which it belongs. This solution allows for more information on a caller’s identity, helps route and handle calls accordingly, and can help identify suspicious callers. This information is in an easily digestible format, converting number strings into an understandable phone number.

Benefits of Using Trestle’s Smart CNAM API

Here are some of the many benefits and features of Smart CNAM API.

1. Improved accuracy and coverage: Smart CNAM API provides unparalleled name accuracy and coverage compared to traditional CNAM. We leverage alternative authoritative data sources beyond carrier data, which has allowed us to build a CNAM product with 93% coverage and over 90% accuracy.
2. Caller identification: Smart CNAM API allows businesses to identify the name of the person or business associated with an incoming phone call since Trestle properly parses names and avoids returning junk data. This information can help agents more efficiently handle calls and deliver an optimal customer experience.
3. Confirm compliance: Smart CNAM API allows businesses to confirm the phone belongs to the person they intend to reach and doesn’t belong to a new caller. This process ensures that outbound calls and text messaging match the proper contact information.
4. Enhanced security: Smart CNAM API can be useful for detecting suspicious callers. By displaying the caller’s name, users can identify the caller and protect themselves. 
5. Scalability: Our low-latency APIs can easily scale to your business needs. 
6. API features: At Trestle, our Smart CNAM API has real-time data and supports batch processing. With the right developer, you can easily integrate it onto any device. 

With these benefits in mind, businesses and individuals alike can manage their calls more efficiently and worry less about who’s calling them. 

Use Cases for CNAM Lookup

Many different industries can leverage a CNAM Lookup API. If a business deals with routing or handling calls but only needs a low-weight caller identification solution, Smart CNAM API could greatly benefit the business.

In addition, if you receive plenty of spam or robocalls that impede your ability to handle customer calls, CNAM may be right for you.

As you can see, there are many uses and benefits to a CNAM Lookup that many companies can leverage to enhance their call-handling processes and improve customer interactions. To learn more about Smart CNAM API, look at our API Documentation or contact us at Trestle.