Telephone of Rockville, Maryland
Basic Service
A & E Telecommunication Service
412 Girard St, Gaithersburg, MD
(301) 740-2605
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Aat Communications System
4805 Bel Pre Rd, Rockville, MD
(301) 460-8500
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Ace Comm Corporation
704 Quince Orchard Rd Ste 100, Gaithersburg, MD
(301) 721-3000
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Aer Services Incorporated
2353 Distribution Cir, Silver Spring, MD
(301) 650-5959
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Alcatel
6701 Democracy Blvd Ste 300, Bethesda, MD
(301) 571-2420
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Alternative Telecommunications
17 W Jefferson St, Rockville, MD
(301) 251-2700
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American Speech Language
10801 Rockville Pike, Rockville, MD
(301) 897-5700
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American Telephone & Comms
164 Rollins Ave, Rockville, MD
(301) 468-2300
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American Tower Corporation
11908 Seven Locks Rd, Potomac, MD
(240) 314-0793
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Bhm Intl Incorporated
656 Quince Orchard Rd, Gaithersburg, MD
(240) 631-8276
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Business Telephone Svc Incorporated
4212 Howard Ave, Kensington, MD
(301) 968-4049
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Capital Telephone Company
Po Box 34470, Bethesda, MD
(301) 469-9220
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Dingee, Chris - United Communication Group
11300 Rockville Pike Ste 1100, Rockville, MD
(301) 287-2700
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East Est Telecom Incorporated
13549 Potomac Riding Ln, Rockville, MD
(301) 762-2775
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East West Telecom Incorporated
8520 Dakota Dr, Gaithersburg, MD
(301) 977-9890
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Ej Krause & Association
6550 Rock Spring Dr Ste 500, Bethesda, MD
(301) 493-5500
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Electra Limited
4905 Del Ray Ave Ste 212, Bethesda, MD
(301) 913-0474
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Gaster, Robin - North Atlantic Research Incorporated
8200 Queen Annes Dr, Silver Spring, MD
(301) 589-5965
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Global Services & Systems Incorporated
223 Midsummer Dr, Gaithersburg, MD
(301) 590-0715
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Gxs Incorporated
100 Edison Park Dr, Gaithersburg, MD
(301) 340-4000
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Hearing Loss Association of Amer
7910 Woodmont Ave Ste 1200, Bethesda, MD
(301) 657-2248
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Hoover, Robert L - Rl Hoover Consulting Telecomm
11704 Seven Locks Rd, Potomac, MD
(301) 983-0054
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Howard, John L - Wordpro Incorporated
250 Hungerford Dr, Rockville, MD
(301) 294-8811
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Iridium Satellite LLC
6701 Democracy Blvd Ste 500, Bethesda, MD
(301) 571-6200
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Jose's Tree and Lawn Service
Falcon Ct, Rockville, MD
(240) 793-8051
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Kelly Telecommunications
6201 Perthshire Ct, Bethesda, MD
(301) 564-9838
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Kulkarni, V - Gl Communications Incorporated
207 Perry Pkwy Ste 1a, Gaithersburg, MD
(301) 670-4784
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Lb Intl Telecommunications
847 Quince Orchard Blvd Ste G, Gaithersburg, MD
(301) 212-9891
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Loral Skynet Incorporated
2400 Research Blvd Ste 200, Rockville, MD
(301) 258-8101
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MS Technologies Corporation
18572 Office Park Dr, Gaithersburg, MD
(301) 258-8166
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Manugistics Group Incorporated
9715 Key West Ave, Rockville, MD
(301) 255-5000
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Manugistics Group Incorporated
9715 Key West Ave, Rockville, MD
(301) 255-5000
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Matt's Chimneys
17620 Sequoia Dr, Gaithersburg, MD
(301) 370-5340
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McI MD
2703 Blueridge Ave, Silver Spring, MD
(301) 933-7269
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McI
8221 Snouffer School Rd, Gaithersburg, MD
(301) 740-3165
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Mondial Teknology Incorporated
15400 Calhoun Dr Ste 125, Rockville, MD
(301) 424-8771
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North American Communications
7735 Arrowood Ct, Bethesda, MD
(301) 365-7225
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Olender, Robert L - Koerner & Olender
11913 Grey Hollow Ct, North Bethesda, MD
(301) 468-3336
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Optel Associates
10 Woodsend Pl, Potomac, MD
(301) 294-6500
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Pls Group
11325 Seven Locks Rd Ste 226, Potomac, MD
(301) 983-8508
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Quality Telecommunications
100 Maryland Ave, Rockville, MD
(301) 838-8591
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Ritenet Corporation
1445 Research Blvd Ste 350, Rockville, MD
(301) 251-5636
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Skyview Communications Incorporated
316 Main St, Gaithersburg, MD
(301) 869-6500
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Startec Global Communications
7361 Calhoun Pl # 650, Derwood, MD
(301) 610-4300
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Startech Customer Service
10411 Motor City Dr, Bethesda, MD
(301) 365-5569
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Stratos Global Corporation
6901 Rockledge Dr Ste 900, Bethesda, MD
(301) 214-8800
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Switch & Data Facilities Company
1680 E Gude Dr, Rockville, MD
(301) 762-1911
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Sybase Incorporated
6550 Rock Spring Dr # 700, Bethesda, MD
(301) 896-1600
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Sykes Communications Systems
1680 E Gude Dr, Rockville, MD
(301) 808-0818
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Tele Bright Corporation
40 W Gude Dr Ste 100, Rockville, MD
(301) 296-3800
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Telecom & Technology Policy
620 Hungerford Dr, Rockville, MD
(301) 309-3703
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Teligent Inc-Tci Integrated
, Rockville, MD
(301) 762-1110
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Telnet Incorporated
51 Monroe St, Rockville, MD
(301) 762-9010
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Telperion Network Systems Incorporated
21 Firstfield Rd, Gaithersburg, MD
(301) 417-2800
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Verizon
6701 Democracy Blvd, Bethesda, MD
(301) 571-9420
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Visual Networks Incorporated
2092 Gaither Rd, Rockville, MD
(301) 296-2300
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Voicetel Global Incorporated
315 E Diamond Ave, Gaithersburg, MD
(240) 243-1802
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Wireless Center
8653 Zetts Ave, Gaithersburg, MD
(301) 208-6988
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Xo Communications Incorporated
6015 Montrose Rd, Rockville, MD
(301) 468-5668
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Young & Association Incorporated
20 Courthouse Sq Ste 215, Rockville, MD
(301) 309-9404
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LD
Allegiance Telecom of Washington DC
1100 15th St Nw Nw, Washington, DC
(202) 263-4900
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American Telecommunication
6888 Elm St, Falls Church, VA
(703) 790-1885
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App Reg Com
1666 Connecticut Ave Nw, Washington, DC
(202) 884-7710
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McI
120 Ingraham St Ne, Washington, DC
(202) 726-8500
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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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Premiere Travel
1001 Connecticut Ave Nw Ste 507, Washington, DC
(202) 962-8500
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Premiere Travel
1300 I St Nw Ste 590e, Washington, DC
(202) 962-8500
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Rcn Corporation
196 Van Buren St, Herndon, VA
(703) 434-8200
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Sprint
1050 Connecticut Ave Nw, Washington, DC
(202) 857-4288
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Talk America Holdings Incorporated
12020 Sunrise Valley Dr Ste 250, Reston, VA
(703) 391-7500
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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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