Unfortunately, it is important to understand that there is no such thing as a free CPN number. When it comes to CPN numbers, they can cost upwards of $500 and are often associated with scams due to the guarantees of increased creditworthiness they claim to offer. A CPN number itself is not able to improve your creditworthiness and can actually cause more harm than good if used.
The most important thing to do to get your credit history and creditworthiness improved is to pay your bills on time, establish a form of credit, maintain a low debt-to-income ratio and work towards maintaining a positive credit history. While these actions may not be as fast as a promised ‘free’ CPN, these will help improve your creditworthiness and give you the real responsibility and power to take control of your own credit history.