IPhone operator Identification

-(Nsstring * ) Getcarrier {nsstring * Strcarrier = Nil; cttelephonynetworkinfo * Networkinfo = [[Cttelephonynetworkinfo alloc] init]; ctcarrier * Carrier = [Networkinfo subscribercellularprovider];  If (Carrier = Nil) {[networkinfo release];  Return Strcarrier;} nsstring * Code = [Carrier implements enetworkcode];  If (Code = Nil) {[networkinfo release];  Return  Strcarrier ;}  //  Determine the carrier based on mobilenetworkcode      If ([Code isequaltostring: @"  00  " ] | [Code isequaltostring: @" 02  " ] | [Code isequaltostring: @"  07  "  ]) Strcarrier = @"  China Mobile  "  ;  Else   If ([Code isequaltostring: @"  01  " ] | [Code isequaltostring:@"  06  "  ]) Strcarrier = @"  China Unicom  "  ;  Else   If ([Code isequaltostring: @"  03  " ] | [Code isequaltostring: @"  05  " ]) Strcarrier = @"  China Telecom  "  ;  Else   If ([Code isequaltostring: @"  20  "  ]) Strcarrier = @"  China tietong  "  ;  Else Strcarrier = Nil; [networkinfo release];  Return  Strcarrier ;} 

China-CN

MCC	MNC	Brand	Operator	Status	Bands (MHz)	References and notes
460	00	China Mobile	China Mobile	Operational	GSM 900/GSM 1800/TD-SCDMA 1880/TD-SCDMA 2010
460	01	China Unicom	China Unicom	Operational	GSM 900/GSM 1800/UMTS 2100	CDMA network sold to China Telecom, WCDMA effeccial trial started in May 2009 and in full effeccial operation as of October 2009.
460	02	China Mobile	China Mobile	Operational	GSM 900/GSM 1800/TD-SCDMA 1880/TD-SCDMA 2010
460	03	China Telecom	China Telecom	Operational	CDMA 2000 800/CDMA 2000 2100	EV-DO
460	05	China Telecom	China Telecom	Operational
460	06	China Unicom	China Unicom	Operational	GSM 900/GSM 1800/UMTS 2100
460	07	China Mobile	China Mobile	Operational	GSM 900/GSM 1800/TD-SCDMA 1880/TD-SCDMA 2010
460	20	China tietong	China tietong	Operational	GSM-R

Article transferred from: http://blog.csdn.net/jiayou8809/article/details/8657974

Http://en.wikipedia.org/wiki/Mobile_Network_Code