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CLECs and ILECs work from distance estimates or actual checks before accepting an order. Here is what we know of the distance limits they work by. If you have more information specific to a provider, please feel free to add it below, or if you can confirm more provider limits, please talkback here: Distance remarks Read [20192]

NetworkOrders accepted up to this distance limit
Verizon

ADSL
18000ft

Feb 2000, limits were raised from 12000 to present 15000 feet. 2005 saw limits raised to 18000 feet
Ameritech

ADSL
17500ft

Covad

IDSL
27000ft

SDSL768
12500ft

SDSL768/384
12000ft

SDSL1100
11000ft

New Edge Networks

IDSL
26000ft

SDSL192
20500ft

SDSL384
16000ft

SDSL768
13500ft

ADSL768/384
12000ft

ADSL384/128
12000ft

SDSL1100
12000ft

Revised july 2000
Verizon (ex GTE)

ADSL768/128
16200ft

SDSL384/384
15000ft

ADSL1500/768
12000ft

SDSL768/768
12000ft

SBC

ADSL
17500ft

Southwestern Bell

ADSL
17500ft

Qwest

ADSL
17500ft

SDSL
12000ft

US West RADSL goes to 15000 feet on 26awg copper, farther on 24awg
notes22000ft

technical limit for G.lite(1000/384)

16000ft

technical limit for 2mbps ADSL

12000ft

the limit at which SBC will not charge 'loop conditioning' to CLECs (see ftp.fcc.gov:/pub/Bureaus/Common_Carrier/News_Releases/1999/nrc9077a.html)

9000ft

technical limit for 8mbps ADSL