Area Code 2244 – Shiroishi, Miyagi

Overview of Area Code 2244

Area code 2244 is a geographic National Destination Code (NDC) within the Japanese numbering plan, assigned to the city of Shiroishi in Miyagi Prefecture, located in the Tōhoku region of Honshū. This code is part of the closed numbering plan of Japan, where the full national number comprises the country code +81, the NDC (2244), and a subscriber number (typically 5 digits), resulting in a total of 10 digits when dialed internationally.

Geographic Coverage and Administrative Jurisdiction

The 2244 area code serves the city of Shiroishi and its surrounding areas, including the former districts of Katta and parts of Shibata. Shiroishi is known for its historical castle ruins and as a gateway to the Zao mountain range. The administrative jurisdiction falls under Miyagi Prefecture, and the region is serviced by NTT East (Nippon Telegraph and Telephone East).

Dialing Formats and Instructions

Local Dialing (within Japan): When calling a number within the same area code, subscribers can dial the subscriber number directly without the area code. For example, if the subscriber number is 12345, a local call would be made by dialing 12345.

National Dialing (from other areas in Japan): Callers from outside the 2244 area code must dial the trunk prefix 0, followed by the area code and subscriber number. For instance, to call a number in Shiroishi from Tokyo, you would dial: 0-2244-1-2345 (where 1-2345 is the subscriber number).

International Dialing (from abroad): To reach a Shiroishi number from outside Japan, dial the international access prefix (e.g., 011 from the US, 00 from most countries), then Japan's country code 81, followed by the area code without the leading 0, and the subscriber number. For example, if the full national number is 02244-1-2345, the international format would be +81-2244-1-2345. Note that the leading 0 of the area code is dropped when dialing internationally.

Numbering Structure and Overlay Considerations

The subscriber numbers within the 2244 area code are typically 5 digits long, making the total national significant number (NSN) 9 digits (0-2244-XXXXX). There is no overlay plan currently in effect for this area code, meaning that 2244 is the sole area code for Shiroishi. However, as with all Japanese geographic codes, number portability is available, allowing subscribers to retain their numbers when switching carriers, but the geographic significance remains tied to the physical location of the line.

Caller Instructions

For local callers: Simply dial the 5-digit subscriber number.

For domestic callers outside the area: Dial 0-2244-XXXXX.

For international callers: Dial your country's exit code, then 81, then 2244 (without the leading 0), then the subscriber number. Always ensure you have the correct number of digits; if the subscriber number is 5 digits, the international dialing sequence after +81 should be 2244 followed by the 5-digit number.

Understanding these dialing protocols ensures seamless connectivity with businesses and residents in Shiroishi, whether you are placing a local call or reaching out from overseas.