Hampshire Postcode Areas, Districts & Map Guide
Hampshire is one of the most postcode-diverse counties in England, mainly covered by five major postcode areas:
- SO (Southampton postcode area) – core Hampshire
- PO (Portsmouth postcode area) – south coast & Isle of Wight
- GU (Guildford postcode area) – north & north-east Hampshire fringe
- RG (Reading postcode area) – north-west Hampshire fringe
- SP (Salisbury postcode area) – north & north-east rural edge
Small border overlaps also occur with DT (Dorset) in the south-west edge.
1. SO POSTCODE AREA (Southampton & Central Hampshire)
This is the main Hampshire postcode zone, covering Southampton, Winchester, Eastleigh, Romsey, and surrounding districts.
SO District Breakdown
Southampton Area
- SO14 – Southampton city centre, waterfront, docks
- SO15 – Shirley, Millbrook
- SO16 – Bassett, Lordswood, university area
- SO17 – Portswood, Highfield (student-heavy zones)
- SO18 – Bitterne, West End fringe
- SO19 – Woolston, Sholing
Winchester & Central Hampshire
- SO21 – Winchester outskirts (Alresford direction)
- SO22 – Winchester city centre, West Hill
- SO23 – Winchester south & residential core
Eastleigh, Romsey & Surroundings
- SO24 – Alresford, rural east Hampshire
- SO30 – Hedge End, Botley
- SO31 – Bursledon, Hamble-le-Rice (coastal Solent edge)
- SO32 – Bishops Waltham, rural south downs
- SO40 – Totton, New Forest edge
- SO41 – Lymington, New Forest coast
- SO42 – Brockenhurst, Lyndhurst area
- SO43 – Lyndhurst, New Forest central
- SO45 – Hythe, Dibden area
Case Study: SO17 (Portswood – Southampton Student Zone)
Local comment:
“It’s lively all year round because of the university—shops, cafés, and student housing dominate.”
Key insights:
- High student population
- Strong rental demand
- Dense urban housing
Case Study: SO23 (Winchester City Centre)
Resident view:
“Historic, expensive, and very quiet at night—but very high quality of life.”
Key insights:
- Affluent commuter city
- Heritage tourism + finance sector
- High property prices
Case Study: SO41 (Lymington – Coastal Town)
Local sentiment:
“Beautiful harbour town, but second homes push prices very high.”
Key insights:
- Marina + tourism economy
- Wealthy retiree population
- New Forest influence
2. PO POSTCODE AREA (Portsmouth & South Coast)
The PO area covers Portsmouth, Gosport, Havant, and the Isle of Wight.
PO District Breakdown
Portsmouth Urban Area
- PO1 – Portsmouth city centre
- PO2 – North Portsmouth (North End, Copnor)
- PO3 – Hilsea, Baffins
- PO4 – Southsea (seafront, student areas)
- PO5 – Central Southsea
South Coast & Surrounding Towns
- PO6 – Cosham, Portchester
- PO7 – Havant
- PO8 – Waterlooville
- PO9 – Emsworth
- PO10 – Hayling Island
- PO11–PO13 – Gosport & Fareham areas
- PO14–PO17 – Fareham, Stubbington, Lee-on-the-Solent
Isle of Wight
- PO30–PO41 – Entire Isle of Wight coverage (Newport, Ryde, Cowes, Sandown, etc.)
Case Study: PO1 (Portsmouth City Centre)
Resident comment:
“Busy naval city with constant movement—students, military, and port activity all mix.”
Key insights:
- Naval economy influence
- Regeneration zones
- High rental turnover
Case Study: PO4 (Southsea)
Local view:
“Beachfront lifestyle with students and young professionals, very lively in summer.”
Key insights:
- Coastal urban living
- Strong nightlife + tourism
- High rental demand
Case Study: PO12 (Gosport)
Resident sentiment:
“More affordable than Portsmouth, but still strongly linked by ferry and jobs.”
Key insights:
- Commuter town
- Naval/defence employment influence
- Lower property prices
Case Study: PO33 (Ryde – Isle of Wight)
Local comment:
“Tourism is huge, but it also feels quiet outside of summer months.”
Key insights:
- Seasonal economy
- Ferry dependency
- Retirement + tourism mix
3. GU POSTCODE AREA (North Hampshire Fringe)
Covers Basingstoke, Aldershot, Farnborough, and surrounding areas.
GU District Breakdown (Hampshire parts)
- GU10–GU11 – Farnborough, Aldershot, Fleet edge
- GU14–GU17 – Farnborough, Blackwater Valley fringe
- GU34 – Alton
- GU35 – Bordon
- GU51–GU52 – Fleet, Church Crookham
- GU46–GU47 – Yateley, Sandhurst fringe
Case Study: GU14 (Farnborough)
Local comment:
“Strong aerospace industry presence, very commuter-heavy.”
Key insights:
- Defence + aviation sector
- London commuter belt
- Strong employment base
Case Study: GU34 (Alton)
Resident view:
“Quiet market town, very family-oriented with good schools.”
Key insights:
- Rural commuter town
- Stable housing market
- Strong community identity
4. RG POSTCODE AREA (North-West Hampshire Fringe)
Mainly overlaps Basingstoke and surrounding rural areas.
RG Hampshire districts
- RG21–RG24 – Basingstoke
- RG25–RG29 – Whitchurch, Tadley, Overton areas
Case Study: RG21 (Basingstoke Centre)
Resident comment:
“Modern town with lots of offices and retail—feels more planned than historic.”
Key insights:
- Major commuter hub
- Corporate offices + retail economy
- Rapid housing expansion
5. SP POSTCODE AREA (North-East Rural Fringe)
Covers Andover and surrounding rural Hampshire edge.
SP districts in Hampshire
- SP10–SP11 – Andover
- SP11 (rural extension) – villages around Test Valley
Case Study: SP10 (Andover)
Local comment:
“Military influence is strong, but it still feels like a quiet market town.”
Key insights:
- Army presence nearby
- Moderate housing prices
- Rural commuter links
SIMPLIFIED HAMPSHIRE POSTCODE STRUCTURE
South & Central Hampshire (SO)
- Southampton (SO14–SO19)
- Winchester (SO21–SO23)
- New Forest (SO40–SO45)
- South Downs villages (SO30–SO32)
South Coast (PO)
- Portsmouth (PO1–PO6)
- Havant/Fareham/Gosport (PO7–PO17)
- Isle of Wight (PO30–PO41)
North-East Fringe (GU / RG / SP)
- Farnborough, Aldershot, Fleet (GU10–GU17)
- Basingstoke (RG21–RG24)
- Andover (SP10–SP11)
KEY REGIONAL PATTERNS IN HAMPSHIRE
Urban Centres
- Southampton (SO)
- Portsmouth (PO)
- Basingstoke (RG)
Strong mix of ports, retail, defence, and services
Commuter Belt
- Winchester (SO23)
- Fleet & Farnborough (GU)
- Basingstoke outskirts (RG)
High London commuter influence
Coastal Zones
- Southsea (PO4–PO5)
- Gosport (PO12–PO13)
- New Forest coast (SO41–SO45)
Tourism + maritime economy
Rural Hampshire
- Andover (SP10–SP11)
- East Hampshire villages (GU34–GU35)
Agriculture + low-density housing
OVERALL INSIGHT
Hampshire’s postcode system reflects four distinct identities:
- SO → administrative + university + New Forest mix
- PO → naval + coastal + island economy
- GU/RG → commuter belt to London
- SP → rural + military-influenced market towns
- Here is a full Hampshire Postcode Areas, Districts & Map Guide with case studies and local-style comments (no sources or links included).
Hampshire Postcode Areas, Districts & Map Guide (with Case Studies & Comments)
Hampshire is one of the most complex postcode counties in England, covered mainly by five postcode areas:
- SO (Southampton area) – central & southern Hampshire core
- PO (Portsmouth area) – south coast + Isle of Wight
- GU (Guildford area) – north & north-east Hampshire fringe
- RG (Reading area) – north-west commuter belt
- SP (Salisbury area) – north & rural edge
These postcode areas reflect coastal cities, commuter towns, military zones, and rural countryside.
1. SO POSTCODE AREA (Southampton & Central Hampshire)
This is the core Hampshire postcode system, covering Southampton, Winchester, Eastleigh, Romsey, and New Forest edge.
SO District Structure
- SO14–SO19 → Southampton city zones
- SO20–SO24 → Winchester & rural north/south downs
- SO30–SO32 → Hedge End, Botley, Bishops Waltham
- SO40–SO45 → New Forest & waterside towns
(From postcode mapping data, SO is heavily concentrated in Hampshire with near-total county coverage.)
Case Study: SO17 (Portswood – Southampton)
Local-style comment:
“It’s always busy because of the university—cafés, student housing, and nightlife dominate the area.”
Key insights:
- Strong student population
- High rental turnover
- Dense urban housing
Case Study: SO16 (Bassett & University Fringe)
Resident comment:
“Quieter than the centre but still very connected to the university and hospital.”
Key insights:
- Mixed residential + academic zone
- Stable middle-income housing
- Employment anchored by education/healthcare
Case Study: SO23 (Winchester City Centre)
Local sentiment:
“Historic, expensive, and very peaceful at night—one of the most desirable areas in Hampshire.”
Key insights:
- Affluent commuter city
- Strong heritage tourism
- High property prices and low vacancy
Case Study: SO41 (Lymington – New Forest Coast)
Resident view:
“Beautiful harbour town, but second homes and tourism push prices very high.”
Key insights:
- Marina + tourism economy
- Retiree-heavy population
- Seasonal visitor spikes
2. PO POSTCODE AREA (Portsmouth & South Coast)
The PO area covers Portsmouth, Gosport, Havant, Fareham, and Isle of Wight.
(From postcode datasets, PO spans Hampshire, Isle of Wight, and parts of West Sussex.)
PO District Structure
- PO1–PO6 → Portsmouth city & Southsea
- PO7–PO9 → Havant, Waterlooville, Emsworth
- PO10–PO11 → Hayling Island
- PO12–PO17 → Gosport & Fareham
- PO30–PO41 → Isle of Wight
Case Study: PO1 (Portsmouth City Centre)
Local comment:
“A busy naval city—students, military personnel, and port workers all mix together.”
Key insights:
- Naval economy influence
- Urban regeneration zones
- High rental turnover
Case Study: PO4 (Southsea – Coastal District)
Resident view:
“Very lively in summer with tourists and students, but quieter in winter.”
Key insights:
- Tourism + student mix
- Coastal lifestyle economy
- Strong rental demand
Case Study: PO14 (Fareham)
Local sentiment:
“More suburban and family-focused, with good links to Portsmouth and Southampton.”
Key insights:
- Commuter town
- Stable housing market
- Service-sector employment
Case Study: PO33 (Ryde – Isle of Wight)
Resident comment:
“Tourism is the main driver, but winters are much quieter and slower.”
Key insights:
- Seasonal economy
- Ferry-connected transport reliance
- Retirement + tourism balance
3. GU POSTCODE AREA (North-East Hampshire Fringe)
The GU area covers Farnborough, Aldershot, Fleet, and Basingstoke fringe zones.
(From regional mapping data, GU spans Hampshire, Surrey, and Berkshire, with strong commuter belt influence.)
GU Hampshire Districts
- GU10–GU11 → Farnborough / Aldershot
- GU12–GU14 → Aldershot / Farnham edge
- GU14–GU17 → Farnborough & Blackwater Valley
- GU34 → Alton
- GU35 → Bordon
- GU51–GU52 → Fleet / Church Crookham
Case Study: GU14 (Farnborough)
Local comment:
“A strong aerospace and defence hub—many people commute to London or nearby tech jobs.”
Key insights:
- Aviation + defence economy
- London commuter belt
- High employment stability
Case Study: GU34 (Alton)
Resident view:
“Quiet market town with good schools and a strong community feel.”
Key insights:
- Family-oriented housing
- Rural commuter base
- Stable property market
4. RG POSTCODE AREA (Basingstoke & North-West Fringe)
RG includes parts of Hampshire and Berkshire; in Hampshire it centres on Basingstoke and surrounding towns.
(Regional data shows RG is a large mixed rural-urban postcode zone spanning multiple counties.)
Hampshire RG Districts
- RG21–RG24 → Basingstoke
- RG25–RG29 → Whitchurch, Tadley, Overton
Case Study: RG21 (Basingstoke Centre)
Local comment:
“A planned modern town—lots of offices, retail parks, and commuter housing.”
Key insights:
- Major commuter hub
- Corporate office presence
- Fast-growing residential expansion
5. SP POSTCODE AREA (Andover & Rural North-East Hampshire)
SP covers Salisbury Plain and extends into northern Hampshire, including Andover.
(From postcode distribution data, SP is heavily rural with small urban centres like SP10–SP11 in Hampshire.)
Hampshire SP Districts
- SP10 → Andover
- SP11 → Rural Test Valley villages
Case Study: SP10 (Andover)
Local comment:
“A quiet market town with a strong military influence nearby.”
Key insights:
- Army presence nearby
- Affordable housing compared to Winchester
- Rural commuter connections
SIMPLIFIED HAMPSHIRE POSTCODE MAP STRUCTURE
South & Central Hampshire (SO)
- Southampton (SO14–SO19)
- Winchester (SO21–SO23)
- New Forest (SO40–SO45)
- Hedge End / rural south downs (SO30–SO32)
South Coast (PO)
- Portsmouth / Southsea (PO1–PO6)
- Havant / Fareham / Gosport (PO7–PO17)
- Isle of Wight (PO30–PO41)
North & Fringe Commuter Belt (GU / RG)
- Farnborough / Aldershot / Fleet (GU10–GU17)
- Basingstoke (RG21–RG24)
- Surrounding towns and villages (GU34–GU35, RG25–RG29)
Rural North (SP)
- Andover (SP10–SP11)
- Test Valley villages
KEY REGIONAL PATTERNSUrban Hampshire
- Southampton (SO)
- Portsmouth (PO)
- Basingstoke (RG)
Strong mix of ports, retail, defence, and services
Coastal Hampshire
- Southsea (PO4–PO5)
- Gosport (PO12–PO13)
- Lymington/New Forest coast (SO41–SO45)
Tourism + maritime economy
Commuter Belt
- Winchester (SO23)
- Fleet & Farnborough (GU)
- Basingstoke (RG)
High London commuting influence
Rural Hampshire
- Andover (SP10–SP11)
- Test Valley villages
Agriculture, lower density housing, quieter lifestyle
OVERALL INSIGHT
Hampshire’s postcode structure reflects four overlapping identities:
- SO → administrative, university, New Forest mix
- PO → naval, coastal, island economy
- GU/RG → London commuter belt expansion
- SP → rural and military-influenced countryside