Receiving a collection notice with the acronym CMP Catania can cause some apprehension. Not knowing who the sender is or what the communication contains leaves room for doubt and worry. However, thanks to a few clues, it’s possible to get a clear idea of the contents even before going to the post office. This article offers a comprehensive guide to deciphering the most common codes on notices from the Catania Postal Mechanization Center, helping you identify the sender and the nature of the communication.
Understanding the meaning of these codes is a small but significant step toward a calmer and more informed management of your mail. In an increasingly digital world, registered mail retains a fundamental legal value, used for important communications ranging from simple notices to notifications of legal documents. Knowing how to interpret the clues available allows us to face the situation with greater preparation, turning the anxiety of waiting into informed awareness.
What is CMP Catania and What Role Does It Play
The acronym CMP stands for Centro di Meccanizzazione Postale (Postal Mechanization Center). The CMP in Catania, located in the city’s industrial area, is one of the crucial logistics hubs in the Poste Italiane network for Southern Italy, particularly for Sicily. In these large centers, mail and packages are sorted automatically using advanced machinery. This process allows for the management of enormous volumes of shipments in a short time, routing each envelope and package to its final destination post office.
When you find the words “CMP Catania” on a collection notice, it simply means that the shipment passed through this logistics center. It does not identify the original sender of the communication, but only the hub that processed the shipment. Therefore, the origin from the CMP should not be alarming in itself; it is just an indication of the registered letter’s logistical path. To find out the nature of the communication, you need to analyze other elements, such as the color of the notice and, above all, the numerical code printed on it.
Deciphering the Collection Notice: Color and Codes
The first visual clue offered by the collection notice is its color. Although the white receipt is predominantly used today, the traditional color distinction can still be useful. A white notice or a white receipt generally refers to ordinary registered mail, which may contain communications from individuals, banks, payment reminders, or administrative documents. Conversely, a green notice is historically associated with legal documents, such as traffic tickets, court notifications, or penalties from public authorities. This first element already helps to narrow down the possibilities.
The most important element for identifying the nature of the registered letter is the numerical code, usually consisting of 12 digits, printed on the notice. The first two or three digits of this code are crucial, as they identify the type of shipment and, in many cases, the sender’s category. By analyzing these initial digits, you can determine whether it is a communication from the Agenzia delle Entrate (Italian Revenue Agency), INPS (National Social Security Institute), a bank, or a legal document, even before going to the counter. This coding system is the real key to unraveling the “mystery” behind a collection notice.
Guide to the Most Common Registered Mail Codes
To correctly interpret a collection notice from CMP Catania, it is essential to know the meaning of the main numerical codes. This knowledge allows you to anticipate the nature of the communication and prepare accordingly. Below are the most frequent codes and their possible senders or contents.
Legal Documents and Fines (Codes 78, 668, 386)
Codes starting with the digits 75, 76, 77, 78, and 79 (and their variations like 786, 787, 788) almost certainly indicate a legal document or a fine. These can include court summons, judgments, warranty notices, or traffic violations. The code 668 is also often associated with communications of a judicial nature, such as administrative proceedings or notices from authorities. The code 386, on the other hand, is frequently used for traffic fines.
Communications from the Revenue Agency and INPS (Codes 61, 67, 68)
Tax-related communications are among the most common. Codes starting with 613, 615 can often be traced back to the Agenzia delle Entrate (Italian Revenue Agency) and may concern payment notifications, assessments, or refunds. The codes 670, 671, and 689 are also frequently used for sending tax bills or communications from the Agenzia delle Entrate – Riscossione (the collection agency, formerly Equitalia). The code 689, in particular, is very common and can also refer to communications from INPS regarding pensions or contributions. If a package is stuck, it’s important to understand the reasons, which may be related to customs issues or incomplete documentation; for this, it might be useful to consult a guide on what to do if a package is stuck at the CMP.
Banks, Insurance, and Other Communications (Codes 12, 61, 62, 69)
Not all registered letters contain bad news. Codes starting with 12, 13, 14, or 15 usually indicate a simple registered letter, sent by a private individual, a lawyer, or containing commercial communications. Codes 612 and 614 are often used by banks, credit institutions, or Poste Italiane for sending credit/debit cards, account statements, or other communications. Code 616 can refer to various situations, such as a reminder for car tax, a recall from a car manufacturer, or a general communication. Finally, codes 695 and 696 can relate to both tax bills and reminders for the TV license fee (canone Rai) or car tax. In case of problems with the shipment, such as a delay or loss, you can start a complaint procedure, as explained in our guide to filing a complaint for CMP Catania.
What to Do After Receiving the Notice
Once you have received the collection notice and deciphered the code, the next step is to pick up the communication. The registered letter remains available for collection at the post office indicated on the notice for 30 days. For legal documents, the collection period extends to 6 months, but the legal effects of the notification take place 10 days after it is deposited. It is crucial to collect the communication within the deadline to avoid the completion of “compiuta giacenza” (a legal fiction whereby the document is considered legally served even if not physically collected).
To collect it, you must go to the post office with a valid ID and the collection notice. If you are unable to go in person, you can authorize another person by filling out the appropriate section on the back of the notice and attaching a copy of your ID. Facing the situation promptly is always the best choice, as ignoring a registered letter does not nullify its legal effects. In case of problems with sorting centers, like the one in Milan, it is useful to know the specific procedures, for example by consulting the guide on the codes and senders of notices from CMP Milano Roserio.
In Brief (TL;DR)
If you’ve received a collection notice from CMP Catania, this guide will help you interpret the most common codes to identify the sender and the nature of the communication.
We will analyze the most common registered mail codes, such as 618, 665, or 787, to help you recognize if it’s a fine, a legal document, or a communication from the Italian Revenue Agency.
Finally, we will provide a practical guide to deciphering the most common codes and understanding if the sender is the Italian Revenue Agency, INPS, or another entity, even before you go to the post office.
Conclusions

Receiving a collection notice from CMP Catania no longer has to be a source of unwarranted anxiety. Understanding the role of the Postal Mechanization Centers and, above all, learning to decipher the numerical codes on the notices, transforms uncertainty into awareness. By analyzing the first digits of the code, you can get valuable clues about the nature of the communication, whether it’s a legal document, a tax notice, or a simple letter. This knowledge allows you to approach the collection of the registered letter with greater preparation and peace of mind.
The key is not to ignore the notice and to act promptly, respecting the collection deadlines to avoid unwanted legal consequences. The informed management of correspondence is a useful skill in everyday life, allowing you to fully exercise your rights and duties. Thanks to this guide, every citizen can now interpret the messages delivered by the postal system with greater confidence, distinguishing between routine communications and those that require immediate attention.
Frequently Asked Questions

What does the acronym CMP Catania on the collection notice mean?
CMP is the acronym for Centro di Meccanizzazione Postale (Postal Mechanization Center). The CMP in Catania is a large sorting center of Poste Italiane where mail is processed and routed to its final destinations. The fact that a notice comes from there does not identify the sender, but only the logistics center that processed the shipment.
What are the codes that indicate a legal document or a fine?
Codes starting with the digits 75, 76, 77, 78, and 79 (including variations like 786, 787, 788) are almost always related to legal documents or fines. Codes 668 and 386 are also frequently associated with notifications of this type, such as warranty notices, summonses, or traffic tickets.
How can I tell if a registered letter is from the Italian Revenue Agency?
Communications from the Italian Revenue Agency are often identified by codes starting with 613, 615, 670, 671, and 689. These codes can indicate tax assessments, payment requests, tax bills, or refunds.
What happens if I don’t collect a registered letter?
If a registered letter is not collected within 30 days, it is returned to the sender but still produces its legal effects through “compiuta giacenza” (completion of storage). For legal documents, the collection period is 6 months, but the notification is legally perfected 10 days after the notice is deposited. Ignoring a registered letter does not void its validity.
Can I authorize someone to collect the registered letter for me?
Yes, you can authorize another person to collect it. Simply fill out the authorization section on the collection notice, sign it, and provide the authorized person with a copy of your ID to present at the post office along with their own ID.
Frequently Asked Questions
The CMP in Catania is the Postal Mechanization Center of Poste Italiane located in the city’s industrial area. It is a large sorting center where mail and packages are automatically processed and routed to their final destinations. If a collection notice mentions ‘CMP Catania’, it simply means that your registered letter or package was processed at that center before being sent to the local post office for delivery or pickup.
The collection notice contains a numerical code, and the first 2-3 digits can provide an important clue about the sender and the content. This code is the most useful element for getting an idea of the communication before collecting it. For example, different codes can indicate communications from public entities, banks, lawyers, or legal documents. Another clue is the color of the card: white for ordinary communications and green for legal documents or fines.
The codes that require the most attention are those starting with 75, 76, 77, 78, and 79, often associated with legal documents, fines, or important communications from the Italian Revenue Agency. Codes 670, 671, and 689 also frequently indicate payment bills issued by the Agenzia delle Entrate-Riscossione (the collection agency, formerly Equitalia). Codes 613 and 615 are often linked to notifications from the Italian Revenue Agency, such as payment notices or assessments.
Codes 618 and 619 are very common and generally identify communications from private entities. They are not, as a rule, legal documents. Senders can be banks (for sending new cards or communications), insurance companies, debt collection agencies, lawyers, or your employer. Sometimes, a 618 code can also relate to payment reminders for bills or car tax.
Besides tax-related codes, many important communications use ‘6’ as the initial digit. For example, codes 612 and 614 are often used by banks or credit institutions. Codes 63, 65, 630, and 650 are frequently associated with communications from INPS regarding pensions or other benefits. Code 665 can relate to communications from insurance companies, often related to traffic accidents, or the sending of credit/debit cards.




Did you find this article helpful? Is there another topic you'd like to see me cover?
Write it in the comments below! I take inspiration directly from your suggestions.