Area Code 258 – Dadu

Geographic Coverage and Administrative Jurisdiction

The +92 258 country and area code combination is assigned to the Dadu district in the Sindh province of Pakistan. This geographic area code covers the city of Dadu and its surrounding administrative subdivisions, including Khairpur Nathan Shah, Mehar, and Johi. The district is located in the southern part of the country, along the Indus River, and is an important agricultural and historical region.

Dialing Formats and Number Structure

When calling a landline in Dadu from within Pakistan, subscribers must dial the national trunk prefix 0, followed by the area code 258, and then the subscriber's 7-digit local number. For example, a local number such as 1234567 would be dialed as 02581234567 from anywhere within Pakistan.

For international callers, the format requires the country code +92, the area code 258 (without the leading zero), and the 7-digit local number. Thus, the same number would be dialed as +922581234567 from abroad. It is essential to omit the trunk prefix '0' when dialing from outside Pakistan.

Local and International Caller Instructions

• Local callers (within Dadu): If you are calling from another landline within the same area code, you may be able to dial just the 7-digit local number, depending on your telephone exchange. However, for clarity and reliability, it is recommended to use the full national format: 0258-XXXXXXX.
• National callers (outside Dadu): Dial 0258-XXXXXXX to reach any landline in Dadu from other cities in Pakistan.
• International callers: Dial +92 258 XXXXXXX (or +92258XXXXXXX without spaces) from any country. Ensure you replace the '+' with your country's international exit code if needed (e.g., '011' from the US, '00' from most European countries).

Overlay and Numbering Considerations

Currently, there is no overlay code for Dadu; the area code 258 is exclusively used for the district. However, as Pakistan's telecommunications infrastructure evolves, the Pakistan Telecommunication Authority (PTA) may introduce additional digits or overlay plans to meet growing demand. Subscribers should always verify the current dialing procedures with their service provider if they encounter issues.

Service Providers and Network Infrastructure

Landline services in Dadu are primarily provided by the state-owned Pakistan Telecommunication Company Limited (PTCL), along with a few private operators. These fixed-line networks are connected to the national and international PSTN, ensuring reliable voice and fax services. Mobile and VoIP services are also available, but they use separate non-geographic numbering ranges.