Singapore
Asia · 18 specs
Direct Answer
Singapore (SG / SGP / 702) operates on a 230 V / 50 Hz electrical grid using SS 145 (British Type G) fused sockets. Traffic drives on the left (LHT). The official currency is the Singapore Dollar (SGD, S$), country calling code is +65, emergency dispatch is 999 (Police) / 995 (SCDF Fire/Ambulance), and paper standard is SS ISO 216 A4.
Source: EMA (Energy Market Authority) / Enterprise Singapore / SS 145 / IMDA / ISO 3166-1 / SingPost · Last reviewed Aug 28, 2026
Specs
| Official English Name | Republic of Singapore ISO 3166-1 |
| Local Endonym | Singapore / 新加坡 / Singapura / சிங்கப்பூர் |
| ISO 3166-1 Alpha-2 | SG |
| ISO 3166-1 Alpha-3 | SGP |
| ISO 3166-1 Numeric / UN M49 | 702 UN M49 (Code 142) |
| Country Calling Code | +65 IMDA (ITU-T E.164) |
| International Exit Code (IDD) | 001 (or 018/019) Carrier prefix |
| Internet ccTLD | .sg SGNIC Registry |
| Vehicle Registration Code | SGP LTA Standard Plate |
| National Currency (ISO 4217) | Singapore Dollar (SGD, S$) 100 Cents (1:1 Peg with BND) |
| Mains Electricity Standard | 230 V (±6%), 50 Hz SS 638 (formerly CP 5) / SP Group |
| Electrical Plug Sockets | Type G (SS 145 / BS 1363 standard) 13 A / 230 V (fused) |
| Road Traffic Driving Side | Left-Hand Traffic (LHT / RHD) Road Traffic Act |
| Primary Measurement System | Metric (SI) Weights and Measures Act |
| Standard Office Paper Format | SS ISO 216 A4 (210 × 297 mm) Standard |
| Consolidated Emergency Number | 999 (Police) / 995 (SCDF Ambulance & Fire) Direct Service Dispatch |
| Postal Code Regex / Format | 6 Digits (NNNNNN, e.g. 048624 Singapore) SingPost (Building-specific postal code) |
| Primary Time Zone | UTC+8 (SGT–Singapore Standard Time) No DST |
Electrical Grid, Voltage & Plug Compatibility
- Nominal Grid Parameters: Operates on a single-phase standard of 230 V (±6%), 50 Hz.
- Plug & Socket Hardware: Type G (SS 145 / BS 1363 standard). Uses standard British Type G 3-pin rectangular blade plugs with internal fuse protection and child safety shutters.
- International Traveler Guidance: Devices operating on 100–240 V (smartphones, laptops) require only a mechanical pin adapter. Single-voltage appliances from differing voltage regions require a certified step-down/step-up power transformer.
Telecommunications, Dialing & Emergency Dispatch
- International Dialing: The country calling code is +65. Outbound international calls from within the country require dial prefix 001 (or 018/019) followed by the destination country code.
- Emergency Dispatch: Consolidated emergency services are reached at 999 (Police) / 995 (SCDF Ambulance & Fire). Calls are automatically routed to local public safety answering points with emergency vehicle dispatch.
Transportation, Driving Standards & Road Regulations
- Traffic Flow: Road traffic drives on the left (LHT) with Right-Hand Drive (RHD) vehicles.
- Standard Speed Limits: General regulatory speed limits default to 50 km/h (31 mph) in built-up urban and residential zones, 80–100 km/h (50–62 mph) on undivided rural roads, and 110–130 km/h (68–81 mph) on grade-separated divided motorways/expressways (unless lower local limits are posted).
- Safety Requirements: Mandatory seatbelt compliance for all occupants, zero-distraction handheld mobile phone bans while driving, and mandatory in-vehicle warning triangles.
Commerce, Currency & Document Standards
- Official Currency: Legal tender is the Singapore Dollar (SGD, S$).
- Document & Paper Standards: Standard office printing, official government gazettes, and legal filings strictly utilize SS ISO 216 A4 (210 × 297 mm). Standard business correspondence pairs with standard business envelopes.
- National Time Zone: Regulated under UTC+8 (SGT–Singapore Standard Time).
Postal Addressing & Administrative Divisions
- Postal Architecture: Postal delivery utilizes 6 Digits (NNNNNN, e.g. 048624 Singapore).
- Standard Address Format: Structured in standardized hierarchy: Recipient Name → Street Address / Building Unit → Postal Code + City/Town → Province/State → Republic of Singapore.