LOCAL PHONE-NUMBER INFORMATIONCoulsdon
Coulsdon
The 020 code.
London Borough of Croydon. This town is associated with this code in the existing reference dataset. An area code does not locate a caller.
Start with the call.
Read reports on the full number. Local-looking digits alone never establish identity.
The allocation context.
- Code
- 020
- Allocation holders
- 239
- Allocated blocks
- 3,028
Figures cover the whole code, not just Coulsdon. Allocated blocks are not counts of active callers.
Understand 020 →Nearby towns
Nearby places are measured by straight-line distance. Proximity does not prove that a code serves a particular address.
Chipstead01737 · about 2 km awayBanstead01737 · about 5 km awayNork01737 · about 6 km awayKingswood01737 · about 6 km awayWarlingham01883 · about 6 km awayLower Kingswood01737 · about 6 km away
Place reference: existing GotMyNumber Wikidata dataset. Allocation snapshot downloaded 23 September 2026. Place source ↗