Japan ☎️ Landline / Geographic

Area Code 2745 – Fujioka, Gunma

The phone area code for Fujioka, Gunma is 2745 (international format +812745). Browse local exchange codes (NXX) and carrier assignments below.

Current Local Time

11:57:55

Asia/Tokyo • UTC +09:00

Full Dialing Format

+812745

Population 3,637,998

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Admin Region Shizuoka

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Elevation 871m

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GPS Coordinates 35.3996, 138.5872

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📍 Geographic Location of Fujioka, Gunma

Overview of Area Code 2745

Area code 2745 is a geographic National Destination Code (NDC) assigned to the city of Fujioka and its surrounding areas within Gunma Prefecture, Japan. This code is part of the Japanese telephone numbering plan, which adheres to ITU-T E.164 standards. The full international dialing format for a subscriber number in this region is +81 2745-XX-XXXX, where +81 is the country calling code for Japan, 2745 is the area code, and the remaining digits constitute the subscriber number. Domestically, callers within Japan dial 02745-XX-XXXX, with the leading '0' used for trunk prefix access.

Geographic Coverage and Administrative Jurisdiction

Fujioka is a city located in the southern part of Gunma Prefecture, in the Kanto region of Honshu, Japan. The area code 2745 covers the city of Fujioka and parts of the neighboring towns, including areas that were formerly part of the district of Tano. The administrative jurisdiction falls under the Fujioka City Office, which oversees local services and telecommunications infrastructure. The region is known for its historical sites, such as the Fujioka Castle ruins, and its blend of urban and rural landscapes.

Dialing Formats and Caller Instructions

For local callers within the same area code, it is common to dial only the subscriber number without the area code, though this practice is becoming less prevalent with the introduction of unified dialing procedures. However, for calls made from outside the area code but within Japan, the format is 02745-XX-XXXX. International callers must replace the trunk prefix '0' with the country code +81, resulting in +81 2745-XX-XXXX.

When dialing from a mobile phone in Japan, the same rules apply: the area code is required if the call originates from outside the geographic region. For international callers, it is essential to omit the leading '0' of the area code when using the international format. For example, to call a number in Fujioka from abroad, one would dial +81 2745-XX-XXXX.

Overlay Considerations and Numbering Plan

Currently, there are no overlay codes for the 2745 area, meaning that the area code is unique to the Fujioka region. This simplifies dialing procedures, as there is no need for 10-digit dialing within the area. However, with the gradual migration of Japan's fixed-line network to IP-based services, some numbers may be assigned to VoIP providers, which can be used anywhere in the country. Nevertheless, the geographic significance of the code remains for traditional PSTN lines.

For businesses and residents in Fujioka, having a local number with area code 2745 can enhance local presence and trust. For those outside Japan, understanding the correct international dialing format is crucial to avoid connectivity issues. Always verify the subscriber number length, which typically ranges from 4 to 8 digits after the area code, depending on the specific line.

❓ Frequently Asked Questions

What is the international dialing format for a number in Fujioka, Gunma (area code 2745)?

To call a number in Fujioka from outside Japan, dial +81 2745 followed by the subscriber number. For example, if the local number is 123-4567, you would dial +81 2745-123-4567. Remember to drop the leading '0' from the area code when dialing internationally.

Is area code 2745 a mobile or fixed-line prefix?

Area code 2745 is a geographic fixed-line prefix assigned to the Fujioka area in Gunma Prefecture. It is not a mobile prefix. Mobile numbers in Japan typically start with 070, 080, or 090.

How do I dial a Fujioka number from another city in Japan?

From within Japan, dial the trunk prefix '0' followed by the area code 2745 and the subscriber number. For example, if the local number is 123-4567, dial 02745-123-4567. If you are calling from a mobile phone, the same format applies.

Are there any overlay codes or upcoming changes for area code 2745?

As of now, there are no overlay codes for area code 2745. The code is exclusively used for the Fujioka geographic area. However, with the ongoing transition to IP telephony, some numbers may be assigned to VoIP services, but the geographic association remains for traditional PSTN lines.

Can I use a 2745 number for a business located outside Fujioka?

Traditionally, area code 2745 is tied to the Fujioka exchange, so a fixed-line number with this code would be physically located in that area. However, with VoIP services, it is possible to obtain a 2745 number and use it anywhere with an internet connection, but this may not be considered a true local presence by some callers.