Area Code 937 – Cardenas, TAB
The phone area code for Cardenas, TAB is 937 (international format +52937). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 937
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Cardenas, TAB
Geographic Coverage and Administrative Jurisdiction
The area code 937 is a geographic National Destination Code (NDC) assigned to the municipality of Cárdenas, located in the state of Tabasco, Mexico. This code serves the city of Cárdenas and its surrounding localities, including the urban area and nearby communities. As a geographic prefix, 937 is tied to the PSTN infrastructure of this specific region, and calls to numbers bearing this code are routed based on their physical location.
Dialing Formats and Caller Instructions
For domestic callers within Mexico, dialing a number in Cárdenas requires the format: 01 937 XXX XX XX (where X represents the local subscriber number). The leading '01' is the national long-distance prefix. For callers outside Mexico, the international format is +52 937 XXX XX XX. Note that the '52' is Mexico's country calling code, and the '937' is the area code. Local calls within the same area code may be dialed using the seven-digit subscriber number alone, depending on the specific carrier and local regulations.
Numbering Plan and Overlay Considerations
Currently, there is no overlay code for the 937 area. The region is served solely by this NDC. However, as with all Mexican geographic codes, the Secretariat of Communications and Transportation (SCT) and the Federal Telecommunications Institute (IFT) oversee the allocation and potential future modifications. Subscriber numbers in this area are seven digits long, and the total number length for international dialing is 12 digits (including the country code and excluding the international access prefix).
Services and Usage
Numbers under 937 are used for fixed-line telephony, including residential and business lines. They are also used for some VoIP services that provide geographic numbers, although these are less common. The area is part of the Gulf of Mexico coastal region, with economic activities including petroleum refining and agriculture. As such, businesses in these sectors often rely on local geographic numbers for customer and supplier communication.
Practical Examples
To illustrate, a local business in Cárdenas might have a number like +52 937 123 45 67. A caller from Mexico City would dial 01 937 123 45 67, while an international caller from the United States would dial 011 52 937 123 45 67 (or simply +52 937 123 45 67 from a mobile phone). Always verify the exact number of digits with your service provider, as formatting can vary slightly.