Area Code 445 – Treinta y Tres

Overview of Area Code 445 (Treinta y Tres, Uruguay)

Area code 445 is a geographic National Destination Code (NDC) assigned to the department of Treinta y Tres in the Eastern Republic of Uruguay. Under the ITU-T E.164 international numbering plan, the full country calling code for Uruguay is +598, followed by the two-digit or three-digit area code and the subscriber number. For Treinta y Tres, the complete international dialing format is +598 445 X XXX, where the subscriber number typically consists of four to five digits, depending on the specific local exchange and service provider.

Geographic Coverage and Administrative Jurisdiction

The 445 code covers the entire department of Treinta y Tres, which is located in the eastern region of Uruguay, bordering Brazil to the north and east. The departmental capital, also named Treinta y Tres, is the primary city served by this code. Other populated centers within the coverage area include Vergara, Santa Clara de Olimar, and General Enrique Martínez. The department is part of Uruguay's interior, and its telecommunications infrastructure is managed by the state-owned operator Antel, along with licensed private operators offering fixed-line services.

Dialing Formats and Caller Instructions

For local callers within Uruguay, dialing a number in Treinta y Tres requires the national trunk prefix 0, followed by the area code 445 and the subscriber number. For example, to call a fixed line in Treinta y Tres from Montevideo, you would dial 0 445 X XXX. For international callers, the format is +598 445 X XXX (or 011 598 445 X XXX from North America). It is important to note that when dialing from a mobile phone within Uruguay, the national trunk prefix may be omitted depending on the carrier, but the area code is always required for fixed-line numbers.

Overlay and Numbering Considerations

As of the latest ITU-T and Uruguayan regulatory updates, there are no overlay codes for the 445 area. The numbering plan remains a closed geographic scheme, with each department having its own unique NDC. Subscriber numbers in Treinta y Tres are typically seven digits long when including the area code, but the local number itself can vary between four and five digits. Callers should always verify the exact number length with the subscriber or directory services to avoid misdialing.

Practical Examples

• Local call (within Treinta y Tres): Dial the subscriber number directly, e.g., X XXX.
• National call (from other Uruguayan departments): Dial 0 445 X XXX.
• International call (from abroad): Dial +598 445 X XXX.

Understanding the correct dialing format ensures seamless connectivity to businesses, government offices, and residents in Treinta y Tres. For further assistance, consult your local telecom provider or the official Uruguayan communications regulator.