Area Code 448 – Queretaro
The phone area code for Queretaro is 448 (international format +52448). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 448
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Queretaro
Overview of Area Code 448 (Querétaro)
Area code 448 is a geographic National Destination Code (NDC) assigned to the state of Querétaro in central Mexico. It serves the southern and central portions of the state, including municipalities such as Amealco de Bonfil, San Juan del Río, Tequisquiapan, Pedro Escobedo, and Huimilpan. The code does not cover the state capital, Santiago de Querétaro, which uses area code 442. This distinction is important for routing and dialing accuracy.
Geographic Coverage and Administrative Jurisdiction
The 448 area code falls under the jurisdiction of the Federal Telecommunications Institute (IFT) and is allocated for fixed-line (PSTN) services. It encompasses both urban and rural communities, with San Juan del Río being the largest city within the code. The region is known for its industrial parks, wine country, and colonial heritage, attracting both business and tourism traffic.
Dialing Formats and Instructions
For local callers within the 448 area code, the standard practice is to dial the 3-digit area code followed by the 7-digit local number, even for calls within the same city. This is due to Mexico's closed numbering plan. For example, to call a fixed line in San Juan del Río, you would dial:
- Local dialing: 448 123 4567
- National long-distance (from other Mexican states): 01 448 123 4567
- International (from outside Mexico): +52 448 123 4567
When calling from a mobile phone in Mexico to a 448 number, dialing the prefix '01' is not required; simply dial 448 123 4567. For international callers, the plus sign (+) represents the international access code, followed by Mexico's country code (52), then the area code and number.
Overlay Considerations
Currently, there is no overlay code for 448, meaning the area code is not shared with another NDC in the same geographic region. However, as demand for numbers grows, the IFT may introduce an overlay in the future. In such a case, 10-digit dialing would become mandatory. For now, the 448 area code remains the sole identifier for its service area.
Caller Instructions
For local callers, always include the area code to ensure proper routing. For foreign callers, remember to replace the leading '0' of the national long-distance prefix with '+52' when dialing from abroad. This ensures your call connects seamlessly to any fixed line in the 448 region.