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Address information Address information
Prefecture:
Prefecture:
千葉県
（チバケン）
Chiba-ken
Municipality:
Municipality:
市原市
（イチハラシ）
Ichiharashi
Town area:
Town area:
海保
（カイホ）
Kaiho
Full address:
Full address:
千葉県市原市海保
Kaiho
,
Ichiharashi,
Chiba-ken
Postal Notation:
[Building name/Room number], [Street number/Block], Kaiho, Ichiharashi, Chiba-ken 290-0266, Japan
Municipality code:
122195-digit postal code: 290-02
Area code:
0436-36-xxxx, 0436-61-xxxx, 0436-62-xxxx, 0436-21-xxxx, 0436-22-xxxx 7 + more
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): 海保
* Boundaries are estimated and may differ from actual boundaries. Data may not be available for some areas.
Areas shown on the map ( 1 results): 海保
* 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
711 people
Number of Households
277 households
65 years or older
41.2%
Average age
36.1 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 35.4671 , longitude 140.0764 , altitude 41.0 m).
Climate of this area
(千葉Observatory 15km)
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
姉ヶ崎Station
(3.38 km / 42 min walk)
View DetailsClose
| Station Name | Line | Distance | On foot |
|---|---|---|---|
| 姉ヶ崎Station | 内房線 | 3.38 km | 42 min |
| 上総村上Station | 小湊鐵道線 | 3.89 km | 49 min |
| 上総三又Station | 小湊鐵道線 | 4.56 km | 57 min |
| 光風台Station | 小湊鐵道線 | 4.59 km | 57 min |
| 海士有木Station | 小湊鐵道線 | 4.63 km | 58 min |
Distance is the straight-line distance from the representative coordinates. Walking time is calculated at 80m/min.
Nearest bus stop
帝京大学医療センター (1.19 km)
View DetailsClose
| Bus Stop Name | Line | Distance | On foot |
|---|---|---|---|
| 帝京大学医療センター | 姉30,姉01・姉02・姉03,姉23 | 1.19 km | 15min |
| 片又木トンネル | 姉30 | 1.26 km | 16min |
| 市原緑園都市ターミナル | 姉28,姉30,姉05・姉06・姉25・姉26,姉04・姉24 | 1.31 km | 16min |
| 泉台北 | 姉28,姉30,姉05・姉06・姉25・姉26,姉04・姉24 | 1.32 km | 17min |
| 青葉台南 | 姉30,姉01・姉02・姉03,姉23 | 1.38 km | 17min |
Nearest hospital
帝京大学ちば総合医療センター
Emergency
(1.26 km)
View DetailsClose
| Hospital Name | Number of Beds | Distance |
|---|---|---|
|
帝京大学ちば総合医療センター
Emergency
市原市姉崎3426-3 |
475 beds | 1.26 km |
|
医療法人社団健老会 姉崎病院
市原市椎津2558-1 |
99 beds | 3.54 km |
|
医療法人鎗田病院
Emergency
市原市五井899 |
199 beds | 4.81 km |
Educational facilities
Nursery school2.81km
Kindergarten1.64km
Elementary school1.53km
Junior High School2.09km
View DetailsClose
| Facility name | Type | Distance | On foot |
|---|---|---|---|
| 青葉台小学校 | Elementary school | 1.53 km | 19 min |
| 青葉台幼稚園 | Kindergarten | 1.64 km | 21 min |
| 海上小学校 | Elementary school | 2.08 km | 26 min |
| 東海中学校 | Junior High School | 2.09 km | 26 min |
| 志高幼稚園 | Kindergarten | 2.23 km | 28 min |
| 姉崎東中学校 | Junior High School | 2.37 km | 30 min |
| 市原市姉崎認定こども園 | Nursery school | 2.81 km | 35 min |
| ちぐさ蒼空こども園 | Nursery school | 3.67 km | 46 min |
Distance is the straight-line distance from the representative coordinates. Actual school/kindergarten zones may differ.
Fire Stations & Police Stations
Fire Department2.96km
Police2.05km
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
市原警察署青葉台駐在所
市原市青葉台5-14-14 |
Police | 2.05 km |
|
市原警察署廿五里駐在所
市原市廿五里498-2 |
Police | 2.20 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 | 2.96 km |
|
市原市消防局姉崎消防署
市原市姉崎海岸49-1 |
Fire Department | 3.59 km |
Jurisdictional Government Agency
市原市役所
(4.93 km)
View DetailsClose
| Institution Name | Address | Phone | Distance |
|---|---|---|---|
| 市原市役所 |
〒290-8501 市原市国分寺台中央1-1-1 |
0436-22-1111 | 4.93 km |
| 千葉県庁 Prefecture |
〒260-8667 千葉市中央区市場町1-1 |
043-223-2110 | 15.86 km |
Nearest evacuation facility
青葉台小学校 (1.53 km)
View DetailsClose
| Facility name | Type | Distance | On foot |
|---|---|---|---|
| 青葉台小学校 | 避難場所 | 1.53 km | 19min |
| 海上小学校 | 避難場所 | 2.08 km | 26min |
| 東海中学校 | 避難場所 | 2.09 km | 26min |
Nearest post office
市原青葉台郵便局
(1.59 km / 20 min walk)
View DetailsClose
| Post Office Name | Distance | On foot |
|---|---|---|
|
市原青葉台郵便局
青葉台1-12-13 |
1.59 km | 20 min |
|
市原神代簡易郵便局
神代147 |
1.90 km | 24 min |
|
市原有秋台郵便局
有秋台西1-8-2 |
2.81 km | 35 min |
Nearby land prices
Average 44,160 yen/m2
(Announced 2025 )
View DetailsClose
| Location | Price (yen/m²) | Year-over-year | Distance |
|---|---|---|---|
|
千葉県 市原市泉台３丁目７番２
住宅 |
34,700 | +0.6% | 1.69 km |
|
千葉県 市原市姉崎字権現堂２４２７番１８
住宅 |
40,600 | +0.7% | 2.36 km |
|
千葉県 市原市有秋台東２丁目９番４
住宅 |
37,000 | +0.5% | 2.54 km |
|
千葉県 市原市青葉台６丁目２６番１４
住宅 |
49,100 | +2.3% | 2.56 km |
|
千葉県 市原市姉崎字宮ノ下２２３６番５
住宅 |
59,400 | +4.9% | 2.95 km |
Land price trend graph - 千葉県 市原市泉台３丁目７番２
Nearest expressway interchange
市原 (3.6 km)
View DetailsClose
| IC/JCT Name | Type | Distance |
|---|---|---|
| 市原 | IC | 3.6 km |
| 姉崎袖ケ浦 | IC | 5.4 km |
| 木更津北 | IC | 11.5 km |
Nearest entertainment venue
市立有秋公民館
Community center
(2.80 km)
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
市立有秋公民館
市原市有秋台西1-3-2 |
Community center | 2.80 km |
|
市立姉崎公民館
市原市姉崎2150-1 |
Community center | 2.88 km |
|
姉崎多目的広場
市原市姉崎海岸23-2 |
Gymnasium | 3.85 km |
Nearest cultural facility
史跡上総国分尼寺跡展示館
Museum
(5.29 km)
View DetailsClose
| Facility name | Type | Distance |
|---|---|---|
|
史跡上総国分尼寺跡展示館
国分寺台中央3-5-2 |
Museum | 5.29 km |
|
市原市立中央図書館
更級5-1-51 |
Library | 5.38 km |
|
袖ケ浦市立長浦おかのうえ図書館
蔵波634-1 |
Library | 7.02 km |
Nearest roadside station
あずの里いちはら (3.0 km)
View DetailsClose
| Roadside Station Name | Location | Distance |
|---|---|---|
| あずの里いちはら | 千葉県 市原市 | 3.0 km |
| ながら | 千葉県 長生郡長柄町 | 11.8 km |
| 木更津うまくたの里 | 千葉県 木更津市 | 12.1 km |
Change History
| Publication date ? | Status | Postal Code | Prefecture | City | Town |
|---|---|---|---|---|---|
| 1997/12 | New | 〒290-0266 | 千葉県 | 市原市 | 海保 |
| 7-digit postal codes were introduced on 1998/02/02 | |||||