Here is a list of CDMA Carriers/Service Providers in the USA.

Affinity Cellular
AirVoice Wireless
Armed Forces Wireless
Black Wireless
Boost Mobile
campusSIMs
CellNUVO
CALLMR

Cellular Abroad
Charge Communication
Chit Chat Mobile
Commnet Wireless (also uses GSM in some areas)
Consumer Cellular
C Spire
Credo Mobile
China Telecom Americas (CTExcel)
Defense Mobile
EcoMobile

Envie mobile
Español Mobile
Expo Mobile
FamilyTalk Wireless
Flash Wireless
FMP Communications
GCI Wireless (also uses GSM in some areas)
good2GO Mobile
GoSmart Mobile
GreatCall
H2O Wireless
KDDI Mobile
Harbor Mobile

Helio
Infinium Wireless
i-wireless
Jaguar Mobile
Jolt Mobile
Kajeet
KidsConnect
Krew Mobile
Liberty Wireless
LycaMobile
Madstar Mobile
MetroPCS (also uses GSM in some areas)

Mobal
NET10 Wireless
NetZero
NTT DoCoMo USA
OTG Mobile
Page Plus Cellular
Patriot Mobile
Pix Wireless 
Project Fi
Proven Wireless
Pure TalkUSA
Puppy Wireless

Ready Mobile
Red Pocket Mobile
Republic Wireless
Ring Plus, Inc
ROK Mobile
Scratch Wireless
Selectel Wireless
Simple Mobile
SkyView Wireless
Speed Talk Mobile
Sprint

Straight Talk
Telcel América
Tello US
Tempo Telecom
TextNow
The People's Operator USA
Ting
Total Call Mobile
TotalWireless
Touch Mobile
TracFone Wireless (also uses GSM in some areas)
Ultra Mobile

Univision Mobile
UppWireless
U.S. Cellular
US Mobile
UVA Mobile
UWT Mobile
Value Wireless
Verizon Wireless
Virgin Mobile USA
Walmart Family Mobile
Wireless Services US
ZingPCS
ZIP SIM

The accuracy of this list is not guaranteed. There are new carriers, and carriers closing down, plus changes to carrier info constantly, so to be sure ask your provider to be sure.

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