Slow Cox download speed

i moved from Maricopa Az to Casa Grande Az about a month ago. I had quest high speed internet while i was living in Maricopa and was averaging 350+ kB/s while downloading now i moved here and im averaging maybe 58kB/s while downloading from anywhere. did some stuff but nothing has helped so all help is welcome.

:::::::::::::::::::::::::::::::.. Download Stats ..:::::::::::::::::::::::::::::::
Download Connection is:: 565 Kbps about 0.6 Mbps (tested with 579 kB)
Download Speed is:: 69 kB/s
Tested From:: http://testmy.net/ (Main)
Test Time:: 2007/10/23 - 7:20pm
Bottom Line:: 10X faster than 56K 1MB Download in 14.84 sec
Tested from a 579 kB file and took 8.391 seconds to complete
Download Diagnosis:: May need help : running at only 8.26 % of your hosts average (Cox.net)
D-Validation Link:: http://testmy.net/stats/id-EYCLVWF74
User Agent:: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1. Cool

Gecko/20071008 Firefox/2.0.0.8

Tracing route to testmy.net [74.52.182.125]
over a maximum of 30 hops:

1 <1 ms <1 ms <1 ms 192.168.2.1
2 8 ms 7 ms 9 ms 10.35.128.1
3 9 ms 17 ms 7 ms ip68-2-1-249.ph.ph.Cox.net [68.2.1.249]
4 32 ms 9 ms 11 ms 68.2.12.150
5 11 ms 11 ms 9 ms 68.2.12.66
6 48 ms 46 ms 55 ms chnddsrj02-ae1.0.rd.ph.Cox.net [68.2.14.13]
7 34 ms 60 ms 34 ms dalsbbrj02-ae0.r2.dl.Cox.net [68.1.0.143]
8 85 ms 77 ms 69 ms vl32.dsr01.dllstx3.theplanet.com [70.85.127.61]

9 73 ms 67 ms 62 ms 76.fd.5746.static.theplanet.com [70.87.253.118]

10 89 ms 79 ms 75 ms po1.car03.dllstx6.theplanet.com [12.96.160.5]
11 78 ms 84 ms 83 ms 7d.b6.344a.static.theplanet.com [74.52.182.125]

Trace complete.

not sure what eles to post up also tried unplugging from the cable splitter with direct plug in and wireless nothing has helped. also did a release and renew which didnt help at all

edit:: also here is my numbers from Speedtest 563kB/s dl 273kB/s ul with 63 ms ping this is all on a belkin wireless g router