Here is a list of supported shipping carriers (courriers) and their associated carrier_code

CARRIERcarrier_code
AB Customab_custom
Access Coursesgac
Agedissagediss
APC Postal Logisticsapc
ArrowXLarrow_xl
Ash Logisticsash_logistics
Australia Postaustralia_post
Bartolinibartolini
Benitobenito
Bpostbpost
Bringbring
Budbeebudbee
B2C Europeb2c_europe
Cainiaocainiao
Canada Postcanada_post
CDLcdl
Chronopostchronopost
Celeritasceleritas
Ciblexciblex
Colis Privecolis_prive
Colissimocolissimo
Correos de Españacorreos
Correos Expresscorreos_express
Dachserdachser
Dao postdao
DB Schenkerdb_schenker
Deutsche Post
(German local post for letters)
deutsche_post
DHL Germany
(German local post for parcels)
deutsche_post_dhl
DHL eCommercedhl_ecommerce
DHL Expressdhl
DHL Freightdhl_freight
DHL Global Forwardingdhl_gf
DHL Netherlandsdhl_nl
DHL Spaindhl_es
DPD UKdpd
DPD Deutschland
(default for DPD international shipments)
dpd_de
DPD Francedpd_fr
DPD Polanddpd_poland
DX Deliverydx_delivery
Early Birdearly_bird
Envialiaenvialia
Fedexfedex
Fedex Francefedex_fr
France Expressfrance_express
Gefcogefco
Geodisgeodis_agence
GLSgls
GLS Italygls_it
GLS Spaingls_es
Gophr
(tracking number format is {job_id}/{track})
gophr
Guisnelguisnel
Helthjemhelthjem
Heppnerheppner
Hermes UKhermes_uk
Hermes DEhermes_de
Home Logisticshome_logistics
Hong Kong Posthong_kong_post
IMXimx
InPostin_post
Instaboxinstabox
Inntraloginntralog
International Logisticsitl_logistics
Kuehne + Nagelkuehne_nagel
Lao Postlao_post
LaserShiplasership
Lettre Suivie La Postelettre_suivie
Mazetmazet
Mondial Relaymondial_relay
MRWmrw
Österreichische Postaustrian_post
OnTracontrac
Paackpaack
Panther Logisticspanther
Parcelforceparcelforce
Jacky Perrenotperrenot
PostNLpost_nl
PostNordpostnord
Poste Italianeposte_italiane_ftp
Posti Finlandposti_finland
Prevoteprevote
Purolatorpurolator
Relais Colisrelais_colis
Rhenus Logisticsrhenus
Royal Mailroyal_mail
SDAsda_ftp
Seurseur
Skynetskynet
Store Process
Use this carrier for untracked packages
store_process
Stuart Hub2Homestuart_hub2home
Swiss Postswiss_post
Tempo Onetempo_one
Tipsatipsa
TNT Express
(default for TNT international shipments)
tnt_express
TNT Francetnt_fr
TNT Italiatnt_it
Top Chronotop_chrono
TrakPaktrak_pak
Trusktrusk
Tuffnellstuffnells
UDSUDS
UK Mailuk_mail
UPSups
USPSusps
Virvir
Warningwarning
Wizmowizmo
WN Directwn_direct
Yodelyodel
Zeleriszeleris