As per domainsearch.com here is the public records information for inphonic.com
Administrative Contact, Technical Contact:
InPhonic, Inc. (ZNGEPLAIFO) dnsadmin@inphonic.com
9301 PEPPERCORN PL
LARGO, MD 20774-5307
US
301-883-0040 fax: 301-883-0050
We used Wirefly for the tremendous rebate opportunities they promised. We stood to come away with $850.00 worth of phones and $100.00 profit in rebates after all charges were paid. Two problems. The phone number we were assigned are for an area 300 miles from where we live so our numbers are long distance for everyone we know in our area. We can't change them for 181 days per Inphonic contract without facing a $150.00 charge, and jeopardizing our rebates. The rebates required proof of three payment cycles paid, however the postmark date required did not allow enough time for the third payment cycle to be completed, so we sent the four rebates in two batches. Two, $150.00 worth without the third statement confirmed, and two eight days after the postmark date with the statements confirmed. We were paid $150.00 for the unconfirmed rebates and sent two letters rejecting $150.00 worth of rebates on the postmark date technicality. The rebate processing center is a separate entity and like Inphonic has no phone contact number readily available. Through all this T-mobile has been faultless and always helpful, willing to change the numbers immediately, however because of the pending rebates we have had to keep being locals on long distance. The struggle continues...

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