Area Code 773 – Hidalgo
The phone area code for Hidalgo is 773 (international format +52773). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 773
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Hidalgo
Geographic Coverage and Administrative Jurisdiction
The Mexican area code +52 773 is a geographic National Destination Code (NDC) assigned to the northern region of the state of Hidalgo. It primarily serves the municipalities of Pachuca de Soto (the state capital), Mineral de la Reforma, San Agustín Tlaxiaca, and Zapotlán de Juárez, along with several smaller localities within the Pachuca metropolitan area. As a geographic code, it is tied to the PSTN (Public Switched Telephone Network) and is administered under the national numbering plan overseen by the Instituto Federal de Telecomunicaciones (IFT).
Dialing Formats and Caller Instructions
For callers within Mexico, the national long-distance format is 01 773 XXX XXXX, where the leading '01' indicates a domestic long-distance call. For international callers, the format is +52 773 XXX XXXX. Note that the area code is an essential part of the number; omitting it will result in an incomplete call. Local calls within the same area code may be dialed using only the seven-digit subscriber number, but this practice is becoming less common as overlay and mobile convergence increase. Always verify the current dialing rules with your service provider.
Numbering and Overlay Considerations
Currently, area code 773 does not have an overlay, meaning it is the sole NDC for its geographic region. However, the IFT has implemented number portability across Mexico, allowing subscribers to retain their numbers when switching between fixed-line operators. This means that a number with the 773 prefix is not necessarily assigned to a specific carrier; it could be routed to any operator that the subscriber has chosen. For VoIP and mobile users, the geographic association is less relevant, as these services are often location-independent.
Practical Examples
- Calling a landline in Pachuca from abroad: +52 773 123 4567.
- Calling the same number from Mexico City: 01 773 123 4567.
- Local call within Pachuca (if seven-digit dialing is supported): 123 4567.
Economic and Demographic Context
Pachuca, the largest city in this area, is an important economic hub with a growing industrial and commercial sector. The 773 code covers a mix of residential, business, and government lines. For businesses, having a local geographic number can enhance trust and local presence, while for residents, it ensures reliable fixed-line service. As Mexico continues to modernize its telecommunications infrastructure, the 773 area code remains a stable and essential component of the national numbering plan.