Area Code 990 – Merida
The phone area code for Merida is 990 (international format +52990). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 990
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Merida
Geographic Overview
The area code 990 is a geographic National Destination Code (NDC) assigned to the city of Mérida, the capital and largest city of the state of Yucatán in southeastern Mexico. This code covers the metropolitan area of Mérida, including the municipalities of Mérida, Conkal, Kanasín, Ucú, and other adjacent localities within the Greater Mérida area. As part of the ITU-T E.164 numbering plan for Mexico (country code +52), the 990 area code serves both residential and business fixed-line subscribers within this region.
Dialing Formats
For callers within Mexico, local calls to a Mérida number require dialing the 10-digit national number: 990 XXX XXXX. For example, to call a local number in Mérida, you would dial 990 123 4567. However, when calling from a mobile phone within Mexico, it is common practice to dial the full 10-digit number as well, as per the national numbering plan. For international callers, the correct format is +52 990 XXX XXXX, where the plus sign represents the international access prefix (00 in many countries) followed by Mexico's country code 52 and the area code 990.
Administrative Jurisdiction and Coverage
The 990 area code is administered by the Federal Telecommunications Institute (IFT) of Mexico and is allocated to the state of Yucatán. Mérida is the primary city served, with a population exceeding one million in its metropolitan area. The code covers a mix of urban and suburban zones, including historic downtown, modern residential districts, and industrial parks. It is important to note that this is a geographic code, meaning that the number is tied to a physical location, although number portability allows users to retain their number when moving within the same geographic area.
Overlay and Numbering Considerations
Currently, the 990 area code does not have an overlay code; it operates as a standalone NDC. However, due to growing demand, the IFT may introduce additional digits or overlays in the future. For now, all fixed-line numbers in Mérida begin with 990, and the total number length is 10 digits (excluding the country code). When dialing locally, callers must include the area code even for calls within the same city, as per the Mexican dialing plan established in 2019.
Caller Instructions
For local callers within Mérida: dial the 10-digit number (990 XXX XXXX). For callers elsewhere in Mexico: dial the same 10-digit number. For international callers: dial your country's exit code, then 52 (Mexico's country code), then 990, and the local 7-digit number (e.g., +52 990 123 4567). Always ensure you have the correct number of digits; omitting the area code will result in a failed call.