Telephone of Herndon, Virginia
Basic Service
AT & T Federal Systems
11820 Leesburg Pike, Herndon, VA
(703) 404-5620
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Acuity Systems
11921 Freedom Dr, Reston, VA
(703) 464-4700
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Alcatel Data Networks
12490 Sunrise Valley Dr, Reston, VA
(703) 689-7400
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Astron Corporation
22560 Glenn Dr Ste 114, Sterling, VA
(703) 450-5517
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Atlas Telecom Svc USA
11410 Isaac Newton Sq N # 212, Reston, VA
(703) 668-0731
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Atx Communications Incorporated
470 Springpark Pl, Herndon, VA
(703) 464-0191
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Avaya Incorporated
2250 Corporate Park Dr, Herndon, VA
(571) 203-0910
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B & L Telephone Service
735 Watford Ct, Sterling, VA
(703) 444-1771
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Broadwing Communications
12120 Sunset Hills Rd, Reston, VA
(703) 435-4961
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Cavalier Business Sales
, Herndon, VA
(703) 787-9554
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Cavalier Telephone
360 Herndon Pkwy, Herndon, VA
(703) 464-9511
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China Network Solutions Limited
12020 Sunrise Valley Dr, Reston, VA
(703) 390-1136
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China Telecom USA Corporation
607 Herndon Pkwy, Herndon, VA
(703) 787-0088
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Cox Business Services
3080 Centreville Rd, Herndon, VA
(703) 378-0882
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Cox Communications
3080 Centreville Rd, Herndon, VA
(703) 378-8422
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Cross Media Corporation
11343 Sunset Hills Rd, Reston, VA
(703) 561-4377
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Digital Hire
12110 Sunset Hills Rd Ste 450, Reston, VA
(703) 715-2931
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Dimension Data
12120 Sunset Hills Rd, Reston, VA
(571) 203-4000
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Dslnet Incorporated
13625 Dulles Technology Dr, Herndon, VA
(703) 742-7700
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Encore Networks
45472 Holiday Dr Ste 3, Sterling, VA
(703) 318-7750
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Equant
13860 Redskin Dr, Herndon, VA
(703) 435-8142
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Equant
13775 Mclearen Rd, Herndon, VA
(703) 471-2300
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Exodus Communications
45901 Nokes Blvd, Sterling, VA
(703) 421-2866
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France Telecom Incorporated
2300 Corporate Park Dr, Herndon, VA
(703) 689-4464
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Global Crossing Telecom Incorporated
12010 Sunset Hills Rd Ste 300, Reston, VA
(703) 464-3300
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Global Naps
12347 Sunrise Valley Dr Ste E, Reston, VA
(703) 391-8057
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Globalone Comm Incorporated
13775 Mclearen Rd, Herndon, VA
(703) 707-8197
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Ice Web Communications
620 Herndon Pkwy, Herndon, VA
(703) 964-8000
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Is3 Incorporated
45150 Business Ct, Sterling, VA
(703) 707-8400
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Kouso Idrahan
585 Grove St, Herndon, VA
(703) 435-7300
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Learning Tree Intl
1805 Library St, Reston, VA
(703) 652-1019
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Mitel Corporation
205 Van Buren St Ste 400, Herndon, VA
(703) 318-7020
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Net 2000 Communications
2180 Fox Mill Rd, Herndon, VA
(703) 654-2000
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Net Interop Corporation
13921 Park Center Rd, Herndon, VA
(703) 480-4100
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Netmasterclass LLC
13530 Dulles Technology Dr, Herndon, VA
(571) 643-0183
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Nrtc National Rural Telecomm
2121 Cooperative Way Ste 500, Herndon, VA
(703) 787-0874
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Nrtc
2121 Cooperative Way, Herndon, VA
(703) 787-0874
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One Incorporated
12801 Worldgate Dr, Herndon, VA
(703) 438-8850
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Orion Networks
745 Campbell Way, Herndon, VA
(703) 752-1999
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Outdial Systems
1110 Herndon Pkwy # 200, Herndon, VA
(703) 318-5500
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Parallogic
45615 Willow Pond Plz, Sterling, VA
(703) 435-2004
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Pulse Communications Incorporated
2900 Towerview Rd, Herndon, VA
(703) 471-2900
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Qwest Solutions Center
22810 International Dr, Sterling, VA
(703) 456-6400
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Rgb Technology Incorporated
590 Herndon Pkwy Ste 500, Herndon, VA
(703) 834-1500
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Specialty Systems
22900 Shaw Rd, Sterling, VA
(703) 437-6801
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Sprint
13775 Mclearen Rd, Herndon, VA
(703) 689-6000
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Stc Telecom Incorporated
11490 Commerce Park Dr, Reston, VA
(703) 648-3470
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Sw Soft
13755 Sunrise Valley Dr Ste 325, Herndon, VA
(703) 815-5670
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TM USA Incorporated
209 Elden St Ste 307, Herndon, VA
(703) 467-5962
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Talk America Holdings Incorporated
12020 Sunrise Valley Dr Ste 250, Reston, VA
(703) 391-7500
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Telecom Blues
11921 Freedom Dr, Reston, VA
(703) 904-4317
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Telecom Test Gears Incorporated
11921 Freedom Dr, Reston, VA
(703) 925-5930
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Tropotel USA
100 Carpenter Dr, Sterling, VA
(571) 323-3660
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Verizon
12901 Worldgate Dr, Herndon, VA
(703) 375-4400
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Virginia Center Innovative
2214 Rock Hill Rd Ste 600, Herndon, VA
(703) 689-3000
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Wave Lab
12007 Sunrise Valley Dr Ste 350, Reston, VA
(703) 860-3522
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We Support U
481 Carlisle Dr, Herndon, VA
(703) 796-6535
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Wireless Innovations
360 Herndon Pkwy, Herndon, VA
(703) 778-2777
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World Com
11876 Sunrise Valley Dr, Reston, VA
(703) 860-1414
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Xspedius Management CO LLC
22685 Holiday Park Dr Ste 80, Sterling, VA
(703) 386-2400
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LD
American Telecommunication
6888 Elm St, Falls Church, VA
(703) 790-1885
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Cox Business Services
3080 Centreville Rd, Herndon, VA
(703) 378-0882
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Cox Communications
3080 Centreville Rd, Herndon, VA
(703) 378-8422
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Earthling Communications
26112 Gum Spring Rd, Chantilly, VA
(703) 753-1515
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Global Phone Corporation
3916 Lincolnshire St, Annandale, VA
(703) 256-3399
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McI
7500 Old Georgetown Rd, Bethesda, MD
(301) 986-5245
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Mfs Intelenet Incorporated
12379 Sunrise Valley Dr Ste A, Reston, VA
(703) 218-4340
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New Century Telecom
8180 Greensboro Dr Ste 700, Mc Lean, VA
(703) 714-1322
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Rcn Corporation
196 Van Buren St, Herndon, VA
(703) 434-8200
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Talk America Holdings Incorporated
12020 Sunrise Valley Dr Ste 250, Reston, VA
(703) 391-7500
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Telezero Flat Rate Long Dstnc
Po Box 3302, Fairfax, VA
(703) 449-0888
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Telway Communications
6903 Rannoch Rd, Bethesda, MD
(301) 229-1344
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World Com
11876 Sunrise Valley Dr, Reston, VA
(703) 860-1414
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Worldcom
1100 N Glebe Rd, Arlington, VA
(703) 528-1584
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