Area Code 832 – Tamaulipas
The phone area code for Tamaulipas is 832 (international format +52832). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 832
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Tamaulipas
Overview of Area Code 832 (Mexico)
Area code 832 is a geographic National Destination Code (NDC) assigned to the state of Tamaulipas, Mexico, under the international country calling code +52. It serves municipalities in the northern and central parts of the state, including key cities such as Reynosa, Río Bravo, and Matamoros (though Matamoros primarily uses 868, some areas may overlap). The code is used for fixed-line (PSTN) services, and in some cases, it may also be used for nomadic VoIP services that register a local presence.
Geographic Coverage and Administrative Jurisdiction
Tamaulipas borders Texas, USA, and the 832 area code covers the northeastern region of the state, particularly the Reynosa metropolitan area. This zone is a major industrial and commercial hub due to the maquiladora industry and cross-border trade. The administrative jurisdiction falls under the Mexican telecommunications regulator, the Instituto Federal de Telecomunicaciones (IFT), which allocates numbering resources to carriers operating in the region.
Dialing Formats and Caller Instructions
For local calls within the same area code, dial only the 8-digit local number (e.g., 1234 5678). For calls from other area codes within Mexico, dial the long-distance prefix 01, then the area code and local number: 01 832 1234 5678. For international callers, dial your country's exit code, then 52, then the area code and local number without the leading '0': +52 832 1234 5678. Note that when dialing from the United States or Canada, you may also use the international format directly.
Overlay and Numbering Considerations
As of the latest IFT updates, area code 832 does not have an overlay; it is the sole code for its geographic area. However, due to growing demand, some neighboring areas may use different codes (e.g., 868 for Matamoros, 899 for Nuevo Laredo). Always verify the correct code when dialing to avoid misrouted calls. Number lengths are standard 8 digits for local numbers, and the total international number length is 12 digits (including +52).
Caller Instructions for Local and Foreign Callers
Local callers within the 832 area should dial the 8-digit number directly. National callers outside the area must include the long-distance prefix 01. Foreign callers must use the international format +52 832 followed by the local number. For mobile calls to a fixed line in this area, the same rules apply; however, if the called party has ported their number to a mobile network, the call will be routed as a mobile call, and the caller may incur higher charges. Always confirm with your service provider for applicable tariffs.