There are 4 main mobile phone operators in Poland. They offer both monthly subscriptions or top-up phone numbers:

• Era [ www.era.pl ] is the leading mobile phone network operator in Poland, working on GSM and UMTS standard (owned by T-Mobile)
• Plus GSM [ www.plus.pl ] operates on GSM, UMTS and WLAN networks (owned by Vodafone)
• Orange [ www.orange.pl ] operates on GSM, UMTS and WLAN networks
• Play [ www.playmobile.pl ] the newest Polish mobile operator, working on UMTS network in major cities (outside of UMTS coverage, uses Plus GSM network)

There are the following top-up options and virtual operators:

• Era Tak Tak [ www.era.pl ] pay-as-you-go from Era
• Heyah [ www.heyah.pl ] pay-as-you-go from Era
• Simplus [ www.simplus.pl ] pay-as-you-go from Plus GSM
• Sami Swoi [ www.samiswoi.pl ] pay-as-you-go from Plus GSM
• Orange GO [ www.orange.pl ] pay-as-you-go from Orange
• Play Karta [ www.playmobile.pl ] pay-as-you-go from Play
• mBank mobile [ www.mobile.pl ] virtual operator from mBank (Polish internet bank), use Plus GSM network
• myAvon [ http://myavon.com.pl ] virtual operator, uses Orange network

Prices vary depending on offer but the average price per minute for top-up phones is 0.70 PLN.