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AT&T: Broadband, isp.cingular, m2m.com.attz, pta, wap.cingular,
[For LTE-M Only] m2m64.com.attz -
BendBroadband: ISP
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Cincinnati Bell Wireless: wap.gocbw.com
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MTPCS (Cellular One): wapgw.chinookwireless.net
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Straight Talk: att.mvno, tfdata
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T-Mobile: epc.tmobile.com, fast.t-mobile.com, internet2.voicestream.com, internet3.voicestream.com, wap.voicestream.com
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Verizon: vzwims, vzwinternet
For Ziptwireless SIM cards:
- AT&T - zipitwireless.com.attz
- Verizon - VZINTERNET