Area Code 733 – Iguala, GRO
The phone area code for Iguala, GRO is 733 (international format +52733). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 733
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Iguala, GRO
Geographic Coverage and Administrative Context
Area code 733 is a geographic National Destination Code (NDC) assigned to the city of Iguala de la Independencia, located in the northern region of the state of Guerrero (GRO), Mexico. This code serves the municipality of Iguala and its surrounding localities, including communities such as Tuxpan, Tepecoacuilco de Trujano, and Huitzuco, which rely on the same local exchange infrastructure. The numbering area falls under the jurisdiction of the Federal Telecommunications Institute (IFT) and is allocated to fixed-line PSTN services, though some local carriers may also provision VoIP-based fixed lines with the same geographic identity.
Dialing Formats and Caller Instructions
For callers within Mexico, dialing a number in the 733 area code requires the national long-distance prefix 01, followed by the area code and the seven-digit local number. For example, to reach a landline in Iguala, you would dial 01 733 123 4567. For international callers, the Mexican country code (+52) is used, and the leading trunk prefix is omitted. The international format is +52 733 123 4567. It is important to note that when calling from a mobile phone within Mexico, the same national format applies, but if you are dialing from abroad, you must replace the plus sign with your country's international access code (e.g., 011 from the US or Canada).
Local vs. International Calling Considerations
Within the local area, calls between landlines in the same exchange may be dialed using only the seven-digit number, depending on the carrier's configuration. However, for clarity and consistency, it is recommended to use the full national format. Since 733 is a geographic code, the number is tied to a physical location, which is relevant for emergency services and regulatory compliance. Overlay codes have not been introduced in this region, so 733 remains the sole area code for the Iguala area. Callers should be aware that while mobile numbers in Mexico start with prefixes like 733, those are non-geographic and are not part of this fixed-line code; always verify the number type before dialing.