CMP Milano Roserio: A Guide to Notice Codes and Senders

Published on Dec 01, 2025
Updated on Dec 01, 2025
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Close-up of a delivery notice highlighting the numeric and bar codes for identifying the sender of the registered mail

Receiving a delivery notice can cause some apprehension. The uncertainty about who the sender is and what the communication is about is a common feeling for many. When the notice shows the acronym CMP Milano Roserio, it refers to one of Italy’s most important postal mechanization centers. This logistics hub handles a huge amount of mail, including registered letters and official documents that require special attention. Understanding the meaning of the codes on the notice is the first step to getting an idea of the content and acting accordingly, turning anxiety into awareness.

This article serves as a practical guide to deciphering the most common codes associated with communications from the CMP Milano Roserio. We will analyze the different numbering systems in detail, explaining which type of sender and message they correspond to. Whether it’s a simple communication from a private individual, a bank document, a notification from the Revenue Agency, or a legal document, knowing these codes allows you to face the situation with greater preparation. The goal is to provide clear tools to recognize the sender, understand the nature of the communication, and better manage your daily affairs.

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The Strategic Role of CMP Milano Roserio

The Postal Mechanization Center (CMP) of Milano Roserio is a crucial hub in the Poste Italiane logistics network. Located at Via Cristina Belgioioso 165, this massive center handles the automated sorting of millions of letters and packages every day. Thanks to advanced technologies, such as the MPKS (Multisorting Packing System), the CMP can process up to 15,000 packages per hour, playing a fundamental role, especially with the e-commerce boom. Its function is not that of a post office open to the public for collection, but a transit center where mail is directed to the final destination post offices. Therefore, when a shipment’s tracking mentions “CMP Milano Roserio,” it means the envelope or package has been processed and sorted at this location.

Its strategic importance also extends to handling official correspondence. Many public entities and private companies, including municipalities and service companies, rely on external centers for printing and enveloping mass communications, such as fines or invoices. These mail flows often converge at the CMP Milano Roserio before being distributed throughout the country. Consequently, this center handles not only packages and ordinary letters but also registered mail, legal documents, and communications from the Public Administration, making it an essential reference point in the national postal landscape.

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Decoding the Delivery Notice: A Guide to Codes

When the mail carrier finds no one to deliver a registered letter to, they leave a delivery notice in the mailbox. This slip, usually white or green, is the first clue to understanding the nature of the communication. The color itself offers an initial, important distinction: green is almost always associated with legal documents or fines, while white indicates communications from private individuals, companies, or entities. However, the most revealing element is the numeric barcode printed on the notice. The first few digits of this code are essential for guessing the sender and the type of content.

Analyzing these digits helps narrow down the possibilities. For example, some codes are typically used by banking institutions, others by the Revenue Agency, and still others are unequivocally linked to legal proceedings. Although the code does not provide absolute certainty, when combined with other information such as the city of origin indicated on the notice, it allows you to get a very precise idea. It is important to remember that, regardless of the content, the registered letter is considered legally delivered once the holding period has passed. If you are facing a problem with a shipment, you might find our guide on what to do if a package is stuck at the CMP useful.

Common Codes for Communications from Individuals and Companies

Not all codes signal bad news. Very often, a registered letter handled by the CMP Milano Roserio contains simple routine communications. Codes beginning with 12, 13, 14, or 15 generally identify a standard registered letter sent by a private individual, a lawyer, or a company for non-urgent matters. Similarly, the code 618 is often associated with communications from private entities such as banks, financial companies, insurance companies, or employers. It could be the delivery of a new credit card, a payment reminder for an invoice, or a recall notice from a car dealership. Although the range of possibilities is wide, one certainty is that code 618 does not identify a legal document.

Other codes also fall into this category. Code 628, for example, refers to various communications that are not of a legal nature, such as notices about car taxes or letters from private individuals. Codes 612 and 614 are typically used by credit institutions or Poste Italiane itself for communications related to checking accounts or other financial products. Recognizing these codes can therefore reassure the recipient, pointing them toward administrative or commercial content rather than legal matters.

Codes Related to Public Entities, Fines, and Legal Documents

When the first digits of the delivery notice indicate an official communication, more attention is required. Codes 613 and 615 are often used by the Agenzia delle Entrate (the Italian Revenue Agency) for notifications of fines or taxes to be paid. Similarly, code 616 can signal non-payment of car tax, but also communications from the Revenue Agency. The dreaded codes 670, 671, and 689 almost always identify a tax bill from the Agenzia delle Entrate-Riscossione (formerly Equitalia).

The most sensitive category is that of legal documents, often heralded by a green notice. Codes beginning with the digits 75, 76, 77, 78, 79 are unequivocally linked to legal documents or fines. In particular, codes 786, 787, and 788 indicate legal documents such as court summons, injunctions, or legal notices. Code 668 is also associated with administrative and judicial communications, such as traffic tickets, administrative proceedings, or subpoenas. If you have received a notice with similar codes from another center, such as the CMP in Bologna, the indications are often similar.

How to Try to Identify the Sender

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Although the codes provide a valuable clue, they do not always reveal the exact name of the sender. To get more details, the first tool available is the online tracking service of Poste Italiane. By entering the 12-digit code from the delivery notice into the ‘Track a shipment’ field, you can view the origin and status of the registered letter. Although the sender’s name is not shown for privacy reasons, you can trace the city of origin and the post office that handled the shipment, which, combined with decoding the code, can help narrow down the possibilities.

Another clue is the city of origin printed on the notice itself. If, for example, you receive a registered letter with code 618 and the origin is the city where your bank is located, it is very likely that the communication comes from there. The only way to be absolutely certain about the sender and the content is, of course, to go to the post office indicated on the notice to collect the envelope. You can also delegate a trusted person to pick it up by filling out the appropriate section on the notice and providing a copy of your ID. In case of problems with delays or lost items, it may be useful to consult specific guides, such as the one on filing a complaint with the CMP of Peschiera Borromeo.

In Brief (TL;DR)

Learn how to interpret the most common codes on delivery notices from CMP Milano Roserio to identify the sender of your registered mail.

In this guide, we will analyze the most common codes to help you identify the sender and the possible nature of the communication in advance.

Finally, discover how to interpret these codes to trace the sender, whether it’s the Revenue Agency or other entities, even before collecting the mail.

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Conclusions

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 CMP Milano Roserio should not be a source of undue alarm. Understanding the system behind the colors and numeric codes is the first step to managing your mail in an informed and proactive way. As we have seen, the first digits of the barcode are a reliable indicator for distinguishing between a simple private communication, a bank notice, a tax notification, or a legal document. This knowledge allows you to anticipate the nature of the message, reducing the anxiety of waiting and allowing you to prepare adequately before collection.

Using online tracking tools and analyzing all available clues on the notice, such as the city of origin, helps to form a clearer picture of the situation. Remember that collecting the registered letter is a crucial step, as the notification is considered complete even if it is not collected within the holding period. Facing your mail with awareness transforms a moment of potential stress into a routine daily management task, strengthening your ability to interact effectively with public and private entities in the context of a postal tradition that continues to evolve in the digital age.

Frequently Asked Questions

disegno di un ragazzo seduto con nuvolette di testo con dentro la parola FAQ
What is the CMP Milano Roserio and what exactly does it do?

The CMP Milano Roserio is a Postal Mechanization Center of Poste Italiane. It is one of the largest sorting centers in Italy, where letters and packages, including international mail and legal documents, are processed and sorted automatically to be forwarded to the relevant post offices for final delivery. It operates 24/7 to optimize mail handling times.

I received a delivery notice, how can I figure out who the sender is before picking up the registered letter?

To get an idea of the sender of a registered letter, you can interpret the numeric code on the delivery notice. The first 2-3 digits of the code identify the type of communication. For example, codes beginning with 75, 76, 77, 78, or 79 often indicate fines or legal documents. Codes like 613, 615, or 670 may signal communications from the Revenue Agency or tax bills.

What are the most common registered mail codes and what do they indicate?

The codes on the delivery notice provide clues about the content. Here are some of the most common ones: – **Codes 12, 13, 14, 15:** Generally indicate a standard registered letter from individuals or companies. – **Codes 75-79:** Usually refer to fines, legal documents, or communications from the Revenue Agency. – **Code 618:** Often refers to communications from banks, financial institutions, lawyers, or employers, but not legal documents. – **Codes 670, 671, 689:** Are frequently associated with tax bills from the Agenzia delle Entrate-Riscossione. – **Codes 650, 63, 65:** Indicate communications from INPS (the Italian National Social Security Institute).

What does it mean if a shipment is ‘in lavorazione’ (being processed) at CMP Milano Roserio?

The status ‘in lavorazione’ (being processed) at CMP Milano Roserio means that your shipment (letter or package) has arrived at the sorting center and is being processed by the automated systems. During this phase, the mail is registered, sorted by destination, and prepared to be sent to the local post office that will handle the final delivery to the recipient.

What happens if I don’t pick up a registered letter from Milano Roserio?

If you don’t pick up a registered letter, the mail carrier leaves a delivery notice. The registered letter remains available for pickup at the post office for 30 days (for legal documents, the timeframes are different, up to 6 months of storage). If it is not collected within this period, ‘compiuta giacenza’ (completed holding) occurs: the envelope is returned to the sender, and the communication is considered legally delivered to the recipient. Therefore, ignoring a registered letter does not nullify its legal effects.

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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