Area Code 449 – Aguascalientes/Jesus Maria, AGS
The phone area code for Aguascalientes/Jesus Maria, AGS is 449 (international format +52449). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 449
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Aguascalientes/Jesus Maria, AGS
Geographic Coverage and Administrative Jurisdiction
The +52 449 country calling code and area code combination is assigned to the state of Aguascalientes in central Mexico. This geographic prefix serves the capital city, Aguascalientes City, as well as the surrounding municipalities within the metropolitan area, including Jesús María and San Francisco de los Romo. The code is administered under the jurisdiction of the Federal Telecommunications Institute (IFT) and is allocated for fixed-line (PSTN) services, though it may also be used by some fixed wireless and VoIP providers that register local numbers.
Dialing Formats and Number Structure
Numbers under the +52 449 prefix follow the standard Mexican 10-digit national numbering plan. The complete international dialing format is +52 449 XXX XXXX, where the first three digits (449) represent the National Destination Code (NDC) and the remaining seven digits form the subscriber number. When dialing locally within the same area code, callers can often omit the 449 prefix and dial only the seven-digit local number, depending on the carrier's requirements. However, for calls from other regions within Mexico, the full 10-digit number (449 XXX XXXX) must be dialed, preceded by the national trunk prefix 01 (e.g., 01 449 XXX XXXX).
Caller Instructions
- International callers should dial +52 449 XXX XXXX from any country. The plus sign represents the international exit code (e.g., 011 from the US/Canada).
- Domestic callers from outside Aguascalientes must dial 01 449 XXX XXXX.
- Local callers within the 449 area may dial the seven-digit number directly, but for clarity and to avoid issues with mobile or VoIP networks, it is recommended to always use the full 10-digit format.
Overlays and Numbering Considerations
As of the latest IFT updates, there is no overlay code for the 449 area. The state of Aguascalientes is served exclusively by this single geographic area code. However, due to the growth of mobile and VoIP services, some subscribers may have numbers that appear to be local but are actually assigned to non-geographic services. Always verify the number type before assuming a call is a local fixed-line call.
Primary Cities and Economic Significance
The 449 area code covers a region known for its industrial development, particularly in the automotive, textile, and technology sectors. Aguascalientes City is the state capital and the largest urban center, while Jesús María is a rapidly growing industrial suburb. The area is also home to several business parks and a major Nissan manufacturing plant, making the 449 prefix important for both residential and commercial communications.