| 4601 | FNEQ | FINNERTY EQUIPMENT | | | SCAC4 |
| 4602 | FNET | FREIGHTNET | | | SCAC4 |
| 4603 | FNF | Finnish Air Force | Callsign: Finnforce, Head Quarters | FIN | AVCODES |
| 4604 | FNF | Finnish Air Force | | | ICAO1 |
| 4605 | FNFA | FRIESEN FARM | | | SCAC4 |
| 4606 | FNFE | FRIESEN, G E | | | SCAC4 |
| 4607 | FNFI | FLETES INDUSTRIALES REGIOMONTANOS S | | | SCAC4 |
| 4608 | FNFM | FORTY NINER (49ER) FARM SUPPLIES & | | | SCAC3 |
| 4609 | FNFN | FIVE NINE (59) TRANSPORT | | | SCAC4 |
| 4610 | FNFP | F & F TRANSPORT SERVICE INC | | | SCAC3 |
| 4611 | FNFR | FINELINE FREIGHTWAYS INC | | | SCAC3 |
| 4612 | FNFS | FUNFSINN, KENNETH TRUCKING | | | SCAC3 |
| 4613 | FNG | Finnish Border Guard | Callsign: Finnguard, | FIN | AVCODES |
| 4614 | FNG | Frontier Guard | | | ICAO1 |
| 4615 | FNG | FNG Logistics | added 1/2004; eliminated 4/2004; 7/2005 | | NAKINA |
| 4616 | FNG | FNG LOGISTICS | | | PWRC |
| 4617 | FNG | FNG LOGISTICS | | | SCAC4 |
| 4618 | FNGJ | FLANAGAN, JAMES J SHIPPING CORP | | | SCAC3 |
| 4619 | FNGK | FINCH, GLEN TRUCKING | | | SCAC3 |
| 4620 | FNGL | FINGLER SHIPPING INC. | | | SCAC3 |
| 4621 | FNGL | FLEX-N-GATE LOGISTICS LLC | | | SCAC4 |
| 4622 | FNGM | FOX & GINN MOVERS | | | SCAC3 |
| 4623 | FNGM | FOX AND GIN MOVERS AND WAREHOUSING | | | SCAC4 |
| 4624 | FNGS | FARM AND GARDEN SUPPLY | | | SCAC3 |
| 4625 | FNGU | FLORENS ASSET MANAGEMENT COMPANY LIMITED | | HK | BIC |
| 4626 | FNH | Phoenix, Joint-Stock Company | Callsign: Incom-Phoenix, | RUS | AVCODES |
| 4627 | FNHM | FRENCH MARKET FOODS | | | SCAC4 |
| 4628 | FNHO | FARM & HOME OIL INC | | | SCAC3 |
| 4629 | FNHS | FARNORTH SALES ASSOCIATES INC | | | SCAC4 |
| 4630 | FNHT | FINCHER TRUCKING | | | SCAC3 |
| 4631 | FNHW | FARREN, H W CO INC | | | SCAC3 |
| 4632 | FNHW | FARREN, H W CO INC | | | SCAC4 |
| 4633 | FNI | Heli Holland Offshore B.V. | | NL | AVCODES |
| 4634 | FNIL | FOURNIER LIMOUSINE SERVICE | | | SCAC3 |
| 4635 | FNIT | FLORS & IKES TOUR AND CHARTER | | | SCAC3 |
| 4636 | FNJB | F & J BRUNNERS INC | | | SCAC3 |
| 4637 | FNJT | FOX, N J & SONS TRUCKING INC | | | SCAC4 |
| 4638 | FNJW | FUNFER, JOHN W INC | | | SCAC3 |
| 4639 | FNK | Feniks Airline | Callsign: Aurika, | KZ | AVCODES |
| 4640 | FNK | IAS Itzehoer Airservice GmbH | Callsign: Funky, | D | AVCODES |
| 4641 | FNK | Feniks Airline | | | ICAO1 |
| 4642 | FNKB | FINK BROTHERS INC | | | SCAC3 |
| 4643 | FNKB | FUNK, BILL TRUCKING INC | | | SCAC4 |
| 4644 | FNKB | Funabashi New Keisei Bus | | J | TRAFFIC |
| 4645 | FNKF | FINKELSTEIN FARMS INC | | | SCAC3 |
| 4646 | FNKH | FANKHAUSER BROTHERS INC | | | SCAC3 |
| 4647 | FNKI | FONSECA TRUCKING INC | | | SCAC4 |
| 4648 | FNKL | FINKLE IV FREIGHT AND LOGISTICS INC | | | SCAC4 |
| 4649 | FNKN | FST EXPRESS INC | | | SCAC4 |
| 4650 | FNKQ | F & K TRUCKING CO | | | SCAC3 |
| 4651 | FNKR | FUNK, ROLAND | | | SCAC3 |
| 4652 | FNKS | FRANKS CAMPFIRE STICKS LTD | | | SCAC4 |
| 4653 | FNKT | FUNK TRUCKING | | | SCAC3 |
| 4654 | FNKV | FULLON TRUCKING SERVICES | | | SCAC4 |
| 4655 | FNL | Finalair Congo | Callsign: Finalair Congo, | RCB | AVCODES |
| 4656 | FNL | Oulun Tilauslento Oy | Callsign: Finn Flight, | FIN | AVCODES |
| 4657 | FNL | Oulun Tilauslento | | | ICAO1 |
| 4658 | FNLA | FENELLA SHIPPING | | | SCAC3 |
| 4659 | FNLB | FREIGHT NATION LTD | | | SCAC4 |
| 4660 | FNLC | FINE, L & CO INC | | | SCAC3 |
| 4661 | FNLC | FANE LOGISTICS INC | | | SCAC4 |
| 4662 | FNLE | FERNELLES EXPRESS INC | | | SCAC4 |
| 4663 | FNLH | FREIGHT NORTHWEST LLC | | | SCAC4 |
| 4664 | FNLL | FANELLI BROTHERS TRUCKING COMPANY | | | SCAC3 |
| 4665 | FNLL | FANELLI BROTHERS TRUCKING COMPANY | | | SCAC4 |
| 4666 | FNLS | FRONT LINE SPECIALS, INC | | | SCAC3 |
| 4667 | FNLT | FIRST (1ST) NATIONAL TRANSPORTATION | | | SCAC3 |
| 4668 | FNLT | FLORES & NUNEZ INTERNATIONAL FREIGH | | | SCAC4 |
| 4669 | FNLV | FINLEY SERVICE INC. | | | SCAC3 |
| 4670 | FNLW | FAIRPOINT NAVIGATION LTD | | | SCAC4 |
| 4671 | FNLZ | FEDEX NATIONAL LTL | | | SCAC4 |
| 4672 | FNM | Avionord S.r.l. | ICAO designator changed to VND | I | AVCODES |
| 4673 | FNM | Avio Nord | | | ICAO1 |
| 4674 | FNM | FERROCARRILES NACIONALES DE MEXICO | | | PWRC |
| 4675 | FNM | Ferrocarriles Nacionales de Mexico | | | RSRV |
| 4676 | FNM | Ferrovie Nord Milano | | I | TRAFFIC |
| 4677 | FNM | Ferrovie Nord Milano Esercizio S.p.A. | | IT | VKM |
| 4678 | FNMC | F & M TRUCKING CO INC | | | SCAC3 |
| 4679 | FNMI | FERGUSON & MURRAY INC | | | SCAC3 |
| 4680 | FNMK | F & M TRUCKING | | | SCAC3 |
| 4681 | FNMM | Ferrocarriles Nacional de Mexico | | MEX | TRAFFIC |
| 4682 | FNMT | F & M TRUCKING SERVICES INC | | | SCAC3 |
| 4683 | FNMT | F & M TRANSPORTATION INC | | | SCAC4 |
| 4684 | FNMW | FINMARINE INC. | | | SCAC3 |
| 4685 | FNMY | FALCO & MAY INC | | | SCAC3 |
| 4686 | FNNA | FINAL ASSEMBLY INC | | | SCAC3 |
| 4687 | FNNB | FOUR NINE NINE TWO TWO NINE (499229 | | | SCAC4 |
| 4688 | FNNI | FRITZ AND NORMS INC | | | SCAC3 |
| 4689 | FNNI | FOUR NINE NINE ZERO ONE | | | SCAC4 |
| 4690 | FNNS | FINNS FREIGHT SYSTEM INC | | | SCAC3 |
| 4691 | FNNS | FTL | | | SCAC4 |
| 4692 | FNNT | FOUR NINE NINE THREE THREE SEVEN (4 | | | SCAC3 |
| 4693 | FNO | Aeroflota del Noroeste, S.L. | Callsign: Riazor, | E | AVCODES |
| 4694 | FNO | Aeroflota Del Noroeste | | | ICAO1 |
| 4695 | FNOC | FINOCCHIARO TRUCK LINES | | | SCAC3 |
| 4696 | FNOD | FAR NORTH DELIVERY INC | | | SCAC3 |
| 4697 | FNOL | FAIRFIELD NODAL | | | SCAC4 |
| 4698 | FNOR | Florida Northern R.R. Co. Inc. | 1/1994-7/2005 | | NAKINA |
| 4699 | FNOR | Florida Northern R.R. Co. Inc. | 1/94-7/2000 | | NRHS |
| 4700 | FNOR | FLORIDA NORTHERN RAILROAD COMPANY, INC. | | | PWRC |
