Assignment guidance
When MCC 4121 should be used
- For taxi, limousine, ride-share, and similar passenger services operating without a fixed route.
- For automobile-based, on-demand transport charged to the passenger.
Transportation
MCC 4121
Taxicabs and limousines
Passenger transportation provided by taxi, limousine, and similar car-for-hire services.
Boundary guidance
When MCC 4121 should not be used
- For scheduled local commuter services, bus lines, or passenger railways.
- For vehicle rental where the customer drives the vehicle.
Scheme comparison
Names and evidence status
Absence from public material is not treated as proof that a scheme does not use the MCC.
| Scheme | Evidence | Scheme wording | Comparison |
|---|---|---|---|
| Visa | Official | Taxicabs and LimousinesGlobal Visa merchant-data manual, April 2026, PDF page 53. | Aligned wording |
| Mastercard | Official | Limousines and TaxicabsMastercard Merchant Edition reference, 16 April 2024, PDF page 56. | Different wording |
| American Express | Publicly not found | No current public definition locatedThe complete American Express Codes Reference Guide is not public. This is not evidence that the MCC is unsupported. | Not available |
| Discover / Diners Club | Publicly not found | No current public definition locatedNo complete current public Discover / Diners Club MCC catalogue was located. This is not evidence that the MCC is unsupported. | Not available |
| UnionPay | Not reviewed | No global definition reviewedThe official material reviewed so far is limited to EEA fee appendices and is not a global definition catalogue. | Not available |
Provenance
Sources reviewed
- Visa Merchant Data Standards ManualApril 2026 · global · official · PDF page 53
- Mastercard Quick Reference Booklet - Merchant Edition16 April 2024 · official · PDF page 56
SchemeLens descriptions and use boundaries are editorial summaries of the cited material. Final MCC assignment depends on the merchant's primary business, current scheme rules, region, programme, and acquirer requirements.