21. Qwest
520 S Federal St, Chicago, IL 60605
Coordinate: 41.87521,-87.62994
Phone: (312) 922-7386
22. Switch & Data Facilities Company
427 S La Salle St Ste 405, Chicago, IL 60605
Coordinate: 41.87589,-87.63145
Phone: (312) 957-0917
23. Tcg
233 S Wacker Dr, Chicago, IL 60606
Coordinate: 41.8787,-87.63598
Phone: (312) 705-7800
24. XO Communications
233 S Wacker Dr Ste 3510, Chicago, IL 60606
Coordinate: 41.8787,-87.63598
Phone: (312) 377-1000
25. MCI World Com
1340 W Monroe St, Chicago, IL 60607
Coordinate: 41.88032,-87.66084
Phone: (312) 243-6107
26. Xo One Communications Sales Office
150 S Wacker Dr, Chicago, IL 60606
Coordinate: 41.88004,-87.63708
Phone: (312) 327-1480
27. Mfs Intelenet
10 S Canal St, Chicago, IL 60606
Coordinate: 41.88144,-87.6402
Phone: (708) 429-9017
28. Windstream
30 S Wacker Dr, Chicago, IL 60606
Coordinate: 41.88122,-87.63752
Phone: (844) 749-6158
29. Wct Communications Inc
20 N Wacker Dr, Chicago, IL 60606
Coordinate: 41.88253,-87.63751
Phone: (312) 993-1511
30. MFS Intelenet
100 N La Salle St, Chicago, IL 60602
Coordinate: 41.88342,-87.63278
Phone: (312) 663-3542
31. RCN
2640 W Bradley Pl, Chicago, IL 60618
Coordinate: 41.9495,-87.69466
Phone: (888) 977-5934
32. Ameritech Development Corporation
225 W Randolph St, Chicago, IL 60606
Coordinate: 41.88407,-87.6347
Phone: (312) 609-5700
33. The Listen Co
661 W Lake St, Chicago, IL 60661
Coordinate: 41.88564,-87.64516
Phone: (312) 207-0100
34. Geckotech
300 N Elizabeth St Ste 510c, Chicago, IL 60607
Coordinate: 41.88669,-87.65894
Phone: (312) 948-2995
35. Clarity Telecom
30 N Michigan Ave, Chicago, IL 60602
Coordinate: 41.88299,-87.62499
Phone: (312) 884-7940
36. Tml
225 W Wacker Dr, Chicago, IL 60606
Coordinate: 41.88654,-87.63521
Phone: (312) 920-7000
37. Geckotec
200 N La Salle St, Chicago, IL 60601
Coordinate: 41.88603,-87.6328
Phone: (312) 379-5516
38. Fina Telecommunications
350 N Orleans St, Chicago, IL 60654
Coordinate: 41.88849,-87.63778
Phone: (312) 595-0475
39. BCE Nexxia
130 E Randolph St Ste 500, Chicago, IL 60601
Coordinate: 41.88514,-87.62313
Phone: (312) 861-9390
40. Mfs Of Chicago
130 E Randolph St, Chicago, IL 60601
Coordinate: 41.88514,-87.62313
Phone: (312) 946-0057