Bologna CMP Codes: Find Out Who Wrote to You Right Away

Published on Dec 01, 2025
Updated on Dec 01, 2025
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Paper delivery notice with a magnifying glass positioned over the numerical codes for sender identification.

Finding a delivery notice in your mailbox can cause some anxiety. The absence of a sender and the often bureaucratic nature of these communications lead you to wonder: who wrote to me? And what do they want to tell me? Very often, the answer to these questions passes through a major logistics hub in our country, the Bologna CMP. This article is a comprehensive guide to deciphering the codes on notices from this center, allowing you to understand the nature of the communication in advance and, in many cases, to identify the sender.

Understanding the meaning of a registered mail code is not just a way to satisfy curiosity, but a practical tool to prepare for handling the letter’s contents. Whether it’s a legal document, a communication from the Italian Revenue Agency, or a simple letter from your bank, knowing the context in advance can make a big difference. We will analyze the most common codes, their possible interpretations, and the steps to take to avoid being caught unprepared.

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What is the Bologna CMP and Why Is It Important

The Postal Mechanization Center (CMP) in Bologna is one of Poste Italiane’s main infrastructures for mail sorting. Imagine it as a huge hub where millions of letters, packages, and registered mail from all over Italy, destined for the Central-North, converge every day. Its function is to automate and speed up the management of postal flows, reading addresses through advanced systems and routing each item to its final destination. This center specializes in handling large volumes, including communications with legal value such as registered mail and legal documents. Its efficiency is crucial for ensuring the punctuality and correct delivery of mail over a vast territory, making it a pillar of the national logistics system.

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The Delivery Notice: The First Clue in Your Mailbox

When the mail carrier doesn’t find anyone at home to deliver a registered letter, they leave a “delivery notice” in the mailbox. This small slip, either white or green, is the first and most important clue you have. It contains essential information: the post office where you can pick up the envelope, the holding period (usually 30 days), and, most importantly, a unique barcode. The first few digits of this code are the key to start deciphering the mystery. Although the notice does not explicitly state the sender’s name, these numbers allow you to classify the communication and make a very reliable guess about its origin.

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Deciphering Registered Mail Codes from Bologna

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The numerical codes printed on the delivery notice are not random. Each series of numbers corresponds to a specific category of mail, allowing you to narrow down the possibilities. Knowing the most common codes will help you understand whether you can expect a communication from a public entity, a legal document, or a simple business letter. Let’s analyze the most common code families together.

Codes Indicating Legal Documents and Fines

Codes starting with the digits 75, 76, 77, 78, and 79 are the ones that cause the most concern, as they are often associated with legal documents or fines. In particular, codes like 786, 787, and 788 almost certainly identify notifications from courts, lawyers, or public authorities, such as traffic tickets or other administrative measures. Finding one of these codes, especially if the notice is green, is a very strong signal that the communication has legal value and requires your utmost attention. It is crucial not to ignore these notices, as the notification is considered complete even without physically collecting the envelope. For more details, you can consult our specific guide on registered mail code 788.

Communications from the Italian Revenue Agency

When the communication is tax-related, the codes to watch out for are different. Registered letters starting with 648, 649, and 665 often signal mail from the Italian Revenue Agency or the Italian Revenue Agency-Collection. These codes can relate to payment requests, assessment notices, communications about refunds, or responses to requests submitted by the taxpayer. Codes 670, 671, and 689 are also frequently associated with tax bills. Although not necessarily a legal document in the strict sense, the content is almost always of great importance and deserves prompt action to avoid penalties or late payment interest.

Codes for Pensions, Letters, and Other Notices

Not all registered mail contains bad news. Many codes identify communications of a commercial or administrative nature. For example, codes starting with 616 may relate to payment reminders for utilities, communications from a car manufacturer for a recall, or notices about car tax. The code 618 is very generic and often identifies letters from banks, insurance companies, lawyers, or employers. Codes 63, 65, 630, and 650 are typically used by the INPS (Italian National Social Security Institute) for matters related to pensions or other benefits. Finally, codes like 12, 13, 14, and 15 indicate standard registered mail, often sent by a private individual or for routine commercial communications.

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How to Identify the Sender with Certainty

Although the codes provide a crucial clue, the only way to be absolutely certain about the sender is to collect the registered letter. However, there are some tools that can help. The first is the “Track & Trace” service on the Poste Italiane website. By entering the full code from the notice, you can sometimes see the sender’s name or the city of origin, providing an additional piece of confirmation. This method is not always conclusive, but it’s a valid attempt to make before going to the post office. The definitive certainty, however, is only obtained at the counter by presenting the delivery notice and an ID. Remember that non-collection does not stop the legal effects of the communication.

Package Stuck at the Bologna CMP? What to Do

In addition to letters, the Bologna CMP also handles a huge volume of packages. Sometimes, a shipment’s tracking may show “In transit” or “Held” at this center for several days, causing concern. The reasons can be numerous: a peak in volumes to be processed, an incomplete address, or a damaged label. In these cases, the first step is to constantly monitor the tracking online. If the status does not update for more than 4-5 business days, it is advisable to contact Poste Italiane’s customer service. If the problem persists, the best solution is to file a formal complaint. For a detailed guide on how to proceed, you can consult our article on how to handle complaints for delays and losses at the Bologna CMP.

In Brief (TL;DR)

If you’ve received a delivery notice from the Bologna CMP, this guide helps you interpret the most common codes to understand the sender and the nature of the communication in advance.

Discover the meaning of the most common codes to identify the sender of your registered mail before you even pick it up.

Learn to decipher the most common codes to understand the nature of the communication in advance, whether it’s fines, legal documents, or letters from public agencies.

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Conclusion

disegno di un ragazzo seduto a gambe incrociate con un laptop sulle gambe che trae le conclusioni di tutto quello che si è scritto finora

A delivery notice from the Bologna CMP no longer has to be a source of undue anxiety. Understanding the meaning of registered mail codes is the first step to facing any type of communication with awareness and peace of mind. Knowing whether to expect a legal document, a tax notification, or a simple commercial letter allows you to get organized and act in the most appropriate way. This guide provides the tools to interpret the signals that Poste Italiane gives us, turning a numerical code into valuable information. Always remember to check the tracking online and, above all, to collect mail that is being held, as ignoring it does not nullify its effects.

Frequently Asked Questions

disegno di un ragazzo seduto con nuvolette di testo con dentro la parola FAQ
What do the codes on a Bologna CMP delivery notice mean?

The codes on the delivery notice, specifically the first few digits of the barcode, are essential for understanding the nature of the communication before you even pick it up. For example, codes like 786, 787, or 788 almost certainly indicate legal documents or fines. Codes like 618 or 619, on the other hand, often refer to communications from banks, insurance companies, payment reminders, or other letters from private parties. Knowing the code gives you an important heads-up on the possible content.

Is it possible to know for sure who sent a registered letter before collecting it?

No, it is not possible to know the sender with absolute certainty before collection. For privacy reasons, the sender’s name is not listed on the delivery notice. However, the registered mail codes provide a very strong clue about the *type* of sender. For example, a 787 or 788 code indicates a legal document, narrowing the field to courts, lawyers, or the Italian Revenue Agency-Collection. The only way to be certain is to go to the post office to collect it.

Why does my mail come from the Bologna CMP even if I don’t live there?

The Bologna CMP (Postal Mechanization Center) is one of Poste Italiane’s main logistics hubs for mail sorting. It handles enormous volumes of mail for a very large geographical area, not just the Emilia-Romagna region. The fact that your mail comes from there simply means it was processed and sorted at that center for logistical efficiency, but the original sender could be anywhere else in Italy.

What is the substantial difference between a 619 code and a 787 code?

The difference is significant and relates to the nature of the communication. A registered mail code starting with 619 usually indicates a commercial or private communication, such as a letter from a bank, an insurance company, a payment reminder for a bill, or a communication from an employer. A code starting with 787, on the other hand, almost certainly identifies a legal document or a fine, which are communications with legal value such as a court summons, a payment order, or a tax notice.

If I receive a delivery notice from the Bologna CMP, should I always be worried?

Not necessarily. The Bologna CMP sorts all types of communications, from the most harmless to the most serious. The key to understanding the level of urgency is to check the code on the notice. If the code is in the 75-79 series, it is likely a legal document or a fine, which requires immediate attention. If, however, the code starts with 12, 13, 14, 15, or 618, it is more likely to be an ordinary communication from private individuals, banks, or companies, which are generally less concerning.

Francesco Zinghinì

Electronic Engineer expert in Fintech systems. Founder of MutuiperlaCasa.com and developer of CRM systems for credit management. On TuttoSemplice, he applies his technical experience to analyze financial markets, mortgages, and insurance, helping users find optimal solutions with mathematical transparency.

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