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Address information Address information
Prefecture:
Prefecture:
千葉県
（チバケン）
Chiba-ken
Municipality:
Municipality:
袖ケ浦市
（ソデガウラシ）
Sodegaurashi
Town area:
Town area:
岩井
（イワイ）
Iwai
Full address:
Full address:
千葉県袖ケ浦市岩井
Iwai
,
Sodegaurashi,
Chiba-ken
Postal Notation:
[Building name/Room number], [Street number/Block], Iwai, Sodegaurashi, Chiba-ken 299-0233, Japan
Municipality code:
122295-digit postal code: 299-02
Area code:
0438-75-xxxx, 0438-63-xxxx, 0438-62-xxxx etc.
Map view
2020 data
The boundaries of this postal code are shown in blue. Click an area name below to highlight its boundary in red.
Areas shown on the map ( 1 results): 岩井
* Boundaries are estimated and may differ from actual boundaries. Data may not be available for some areas.
Areas shown on the map ( 1 results): 岩井
* Boundaries are estimated and may differ from actual boundaries. Data may not be available for some areas.
Statistics
Displaying aggregated statistics for the 1 areas shown on the map.
Total Population
271 people
Number of Households
96 households
65 years or older
35.8%
Average age
38.2 years old
Weather, sunrise and sunset
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Sunrise and sunset times are calculated based on the representative coordinates of this area (latitude 35.4105 , longitude 140.0227 , altitude 34.0 m).
Climate of this area
(千葉Observatory 22km)
4 monthly average 16.3°C
Annual average 17.6°C
View DetailsClose
Average annual temperature 17.6°C
Annual precipitation 1,443.4mm
Annual sunshine 2,167.4h
Annual snowfall 5.0cm
3-year average (2022-2024), Japan Meteorological Agency
Nearby facilities
Nearest station
横田Station
(2.71 km / 34 min walk)
View DetailsClose
| Station Name | Line | Distance | On foot |
|---|---|---|---|
| 横田Station | 久留里線 | 2.71 km | 34 min |
| 東横田Station | 久留里線 | 2.96 km | 37 min |
| 東清川Station | 久留里線 | 4.04 km | 50 min |
| 長浦Station | 内房線 | 5.07 km | 63 min |
| 馬来田Station | 久留里線 | 5.84 km | 73 min |
Distance is the straight-line distance from the representative coordinates. Walking time is calculated at 80m/min.
Nearest bus stop
東岩井 (0.23 km)
View DetailsClose
| Bus Stop Name | Line | Distance | On foot |
|---|---|---|---|
| 東岩井 | のぞみ野・平岡線 | 0.23 km | 3min |
| 岩井 | のぞみ野・平岡線 | 0.28 km | 3min |
| のぞみ野入口 | のぞみ野・平岡線 | 0.53 km | 7min |
| のぞみ野南 | 長01 | 0.58 km | 7min |
| のぞみ野南 | のぞみ野・長浦線 | 0.58 km | 7min |
Nearest hospital
社会医療法人社団さつき会 袖ケ浦さつき台病院
Emergency
(4.19 km)
View DetailsClose
| Hospital Name | Number of Beds | Distance |
|---|---|---|
|
社会医療法人社団さつき会 袖ケ浦さつき台病院
Emergency
袖ケ浦市長浦駅前5-21 |
409 beds | 4.19 km |
|
医療法人社団健老会 姉崎病院
市原市椎津2558-1 |
99 beds | 4.55 km |
|
医療法人社団邦清会 木更津東邦病院
Emergency
木更津市菅生725-1 |
83 beds | 5.40 km |
Educational facilities
Nursery school4.46km
Kindergarten2.95km
Elementary school1.98km
Junior High School1.88km
View DetailsClose
| Facility name | Type | Distance | On foot |
|---|---|---|---|
| 根形中学校 | Junior High School | 1.88 km | 23 min |
| 根形小学校 | Elementary school | 1.98 km | 25 min |
| 平岡小学校 | Elementary school | 2.45 km | 31 min |
| 平川中学校 | Junior High School | 2.48 km | 31 min |
| 中川幼稚園 | Kindergarten | 2.95 km | 37 min |
| 蔵波台さつき幼稚園 | Kindergarten | 3.47 km | 43 min |
| みやまのさくら保育園 | Nursery school | 4.46 km | 56 min |
| 幼保連携型認定こども園まりん | Nursery school | 6.61 km | 83 min |
Distance is the straight-line distance from the representative coordinates. Actual school/kindergarten zones may differ.
Fire Stations & Police Stations
Fire Department2.75km
Police1.83km
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
木更津警察署根形駐在所
袖ケ浦市三ツ作844 |
Police | 1.83 km |
|
木更津警察署平岡駐在所
袖ケ浦市野里1494 |
Police | 2.45 km |
|
袖ヶ浦市平川消防署
袖ケ浦市横田213 |
Fire Department | 2.75 km |
|
市原市消防局姉崎消防署有秋分署
市原市深城16-3 |
Fire Department | 5.25 km |
Jurisdictional Government Agency
袖ケ浦市役所
(6.56 km)
View DetailsClose
| Institution Name | Address | Phone | Distance |
|---|---|---|---|
| 袖ケ浦市役所 |
〒299-0292 袖ケ浦市坂戸市場1-1 |
0438-62-2111 | 6.56 km |
| 千葉県庁 Prefecture |
〒260-8667 千葉市中央区市場町1-1 |
043-223-2110 | 23.42 km |
Nearest evacuation facility
のぞみ野泉台公園 (0.70 km)
View DetailsClose
| Facility name | Type | Distance | On foot |
|---|---|---|---|
| のぞみ野泉台公園 | 一時避難（集合）場所 | 0.70 km | 9min |
| のぞみ野なかよし公園 | 一時避難（集合）場所 | 0.93 km | 12min |
| のぞみ野あけぼの公園 | 一時避難（集合）場所 | 1.03 km | 13min |
Nearest post office
袖ヶ浦のぞみ野郵便局
(0.69 km / 9 min walk)
View DetailsClose
| Post Office Name | Distance | On foot |
|---|---|---|
|
袖ヶ浦のぞみ野郵便局
のぞみ野28-18 |
0.69 km | 9 min |
|
平岡郵便局
野里731 |
2.32 km | 29 min |
|
平川郵便局
横田4081 |
2.87 km | 36 min |
Nearby land prices
Average 11,800 yen/m2
(Announced 2025 )
View DetailsClose
| Location | Price (yen/m²) | Year-over-year | Distance |
|---|---|---|---|
|
千葉県 袖ケ浦市横田字下大坪２８０番７
住宅 |
11,800 | - | 2.63 km |
Land price trend graph - 千葉県 袖ケ浦市横田字下大坪２８０番７
Nearest expressway interchange
姉崎袖ケ浦 (2.6 km)
View DetailsClose
| IC/JCT Name | Type | Distance |
|---|---|---|
| 姉崎袖ケ浦 | IC | 2.6 km |
| 木更津北 | IC | 3.5 km |
| 木更津JCT | JCT | 5.4 km |
Nearest entertainment venue
平岡公民館
Community center
(2.09 km)
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
平岡公民館
袖ケ浦市野里1563-1 |
Community center | 2.09 km |
|
根形公民館
袖ケ浦市下新田1277 |
Community center | 2.36 km |
|
平川公民館
袖ケ浦市横田115-1 |
Community center | 2.86 km |
Nearest cultural facility
袖ケ浦市郷土博物館
Museum
(2.80 km)
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
袖ケ浦市郷土博物館
下新田1133 |
Museum | 2.80 km |
|
袖ケ浦市立平川図書館
横田115-1 |
Library | 2.86 km |
|
袖ケ浦市立長浦おかのうえ図書館
蔵波634-1 |
Library | 3.63 km |
Nearest roadside station
木更津うまくたの里 (6.2 km)
View DetailsClose
| Roadside Station Name | Location | Distance |
|---|---|---|
| 木更津うまくたの里 | 千葉県 木更津市 | 6.2 km |
| あずの里いちはら | 千葉県 市原市 | 9.9 km |
| ながら | 千葉県 長生郡長柄町 | 17.5 km |
Change History
| Publication date ? | Status | Postal Code | Prefecture | City | Town |
|---|---|---|---|---|---|
| 1997/12 | New | 〒299-0233 | 千葉県 | 袖ケ浦市 | 岩井 |
| 7-digit postal codes were introduced on 1998/02/02 | |||||