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Area Codes 703 & 571
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Codes 703 & 571 (overlay) (northern Virginia).
Click on the pictures below for a larger version.
Arcola
Listing Updated:
October 2005Operating Company:
Verizon/GTE/ContelCLLI:
ARCLVAXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(703) 327Notes:
Source: Telebeans
Braddock
"Centerville"
Listing Updated:
March 2020Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
CNVIVACTDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 222
(703) 222, 227, 263, 266, 322, 324, 378, 449, 488, 502, 631, 633, 653, 679, 802-3, 808, 814-5, 817-8, 830, 889, 961, 968, 988Notes:
Source: GSV
Dale City
Listing Updated:
July 2014Operating Company:
Verizon/GTE/ContelCLLI:
DLCYVAXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(703) 580, 583, 590, 670, 680, 730, 878, 897Notes:
Herndon
Listing Updated:
March 2020Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
HRNDVAHEDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 203
(703) 318, 326, 364, 375, 397, 435, 437, 456, 464, 467, 471, 478, 481, 668, 707-9, 733, 736, 742, 787, 796, 810, 826, 833-4, 904, 925, 984Notes:
Source: GSV
Herndon
"Dulles Corner"
Listing Updated:
November 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
HRNDVADUDS1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(571) 643
(703) 424, 484, 561, 713, 793Notes:
Source: Telebeans
Herndon
"Sterling Park"
Listing Updated:
May 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
HRNDVASTDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 434
(703) 265, 404, 406, 421, 430, 433, 444, 450, 948Notes:
Source: Telebeans
Leesburg
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
LSBGVALBDS0Switch Type:
Nokia/Alcatel/Lucent 5ESS HostPrefixes Served:
(571) 258
(703) 669, 737, 771, 777, 779Notes:
Source: Telebeans
Leesburg
"Ashburn"
Listing Updated:
January 2006Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ASBNVAASDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 233, 252, 845
(703) 723-4, 726, 729, 858Notes:
Source: Telebeans
Manassas
Listing Updated:
April 2012Operating Company:
Verizon/GTE/Contel/Commonwealth Telephone/Central Mutual TelephoneCLLI:
MNSSVAXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(571) 921
(703) 257, 330-1, 335, 361, 365-9 392-3, 396, 530, 792Notes:
The former HQ of the Central Mutual Telephone Company (193x-1968), then Commonwealth Telephone Company (1968-1970). Later owned by Contel (1970-1991) then GTE (1991-2000) and now Verizon (2000-Present). Note the former instances of this building through it's history (see photos 2 through 8). Also note the additional building to the right (probably added in the 1970s for additional switching room). In the 1970s, Evan Doorbell confirmed this was a senderized Stromberg-Carlson XY switch.
Nokesville
Listing Updated:
January 2011Operating Company:
Verizon/GTE/ContelCLLI:
NKVLVAXARS0Switch Type:
Ribbon/Genband/Nortel RLCPrefixes Served:
(703) 594Notes:
Source: GSV
Occoquan
Listing Updated:
April 2012Operating Company:
Verizon/GTE/Contel/Commonwealth Telephone/Central Mutual TelephoneCLLI:
OCQNVAXADS0Switch Type:
Ribbon/Genband/Nortel DMS-100/200Prefixes Served:
(703) 490-2, 494, 497, 499Notes:
In the 1970s, Evan Doorbell confirmed this was a senderized Stromberg-Carlson XY switch.
Washington Zone 8
"Alexandria"
Listing Updated:
March 2020Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVAAXDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(571) 270, 272, 431
(703) 299, 518-9, 535, 548-9, 683-4, 706, 739, 836-8Notes:
Source: GSV
Washington Zone 8
"Alexandria Barcroft"
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVABADS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 379, 575, 578, 671, 681, 756, 820, 824, 845, 882, 931, 933, 998Notes:
Source: Telebeans
Washington Zone 8
"Alexandria Burgundy Rd."
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVABRDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 317, 325, 329, 428, 960Notes:
Source: GSV
Washington Zone 8
"Alexandria Cameron"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVACNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 273
(703) 212, 274, 370, 461, 504, 617, 751, 823Notes:
Source: GSV
Washington Zone 8
"Alexandria Franconia"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVAFRDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 213-5, 313, 719, 822, 921-2, 924, 971Notes:
Source: GSV
Washington Zone 8
"Alexandria Mount Vernon"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVAMVDS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(703) 355, 360, 619, 664, 704, 767, 780-1, 799, 805-6Notes:
Source: GSV
Washington Zone 8
"Lorton Gunston (Engleside)"
Listing Updated:
January 2011Operating Company:
Verizon/GTECLLI:
LRTNVAGUDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 642
(703) 339, 541, 550Notes:
Source: GSV
Washington Zone 8
"Arlington"
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ARTNVAARDS0Switch Type:
Nokia/Alcatel/Lucent 5ESS HostPrefixes Served:
(571) 344-5, 433
(703) 233, 235, 243, 248, 294, 312, 351, 387, 420, 427, 458, 465, 469, 510, 516, 527-9, 588, 696, 741, 807, 812, 816, 875, 993Notes:
Also home to an AT&T LL 4ESS tandem. Source: Telebeans
Washington Zone 8
"Arlington Columbia Pike
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ARTNVACKDS1Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 271, 302, 486, 521, 553, 557, 685, 746, 769, 892, 920, 979Notes:
Source: Telebeans
Washington Zone 08
"Arlington Crystal City"
Listing Updated:
April 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ARTNVACYDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 483
(703) 412-9, 601-4, 607, 699, 872Notes:
Source: Telebeans
Triangle
Listing Updated:
May 2007Operating Company:
Verizon/GTECLLI:
TRNGVAXARS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(703) 221, 441, 445Notes:
This CO building is just outside the Quantico Marine Corps base. The building itself has an older section in the front and a newer addition in the back.
Washington Zone 17
"Alexandria Annandale"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ALXNVAADDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 238, 256, 315-6, 320, 333, 354, 642, 658, 750, 813, 914, 916, 941-2Notes:
Source: GSV
Washington Zone 17
"Arlington Falls Church"
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
ARTNVAFCDS0Switch Type:
Nokia/Siemens EWSDPrefixes Served:
(703) 237, 241, 531-4, 536, 538Notes:
Source: Telebeans
Washington Zone 17
"Falls Church Merrifield"
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
FLCHVAMFDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 226, 423
(703) 204-8, 280, 289, 560, 573, 641, 645, 698, 776, 846, 849, 876Notes:
Source: Telebeans
Washington Zone 17
"McClean Lewinsville"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
DS0: MCLNVALVDS0
DS1: MCLNVALVDS1
RS1: MCLNVALVRS1Switch Type:
DS0: Nokia/Alcatel/Lucent 5ESS
DS1: Ribbon/Genband/Nortel DMS-100
RS1: Nokia/Alcatel/Lucent 5ESS RemotePrefixes Served:
DS0: (571) 594, 633 (703) 275, 287-8, 356, 377, 388, 394, 442, 448, 506, 610, 676, 714, 720, 734, 744, 747-9, 760-2, 790, 821, 827, 847-8, 854, 873, 883, 893, 902-3, 905, 917-8, 983
DS1: (703) 712
RS1: (571) 382Notes:
Remote switch is served out of Vienna 5E host. Source: GSV
Washington Zone 17
"Springfield"
Listing Updated:
October 2007Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
SPFDVASPRP0Switch Type:
Ribbon/Genband/Nortel CS2000 RemotePrefixes Served:
(703) 440, 451-2, 455, 569, 644, 866, 912-3, 923Notes:
Serves parts of Engleside rate center.
Washington Zone 19
"Fairfax"
Listing Updated:
December 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
FRFXVAFFDS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(571) 432, 435
(703) 218-9, 246, 267, 273, 277-9, 293, 352, 359, 383-5, 457, 460, 591, 691, 877, 934Notes:
Source: Telebeans
Washington Zone 19
"Fairfax Braddock Rd."
Listing Updated:
March 2020Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
FRFXVABFDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 239, 249-50, 321, 323, 425-6, 503, 764, 978Notes:
Source: GSV
Washington Zone 19
"Great Falls"
Listing Updated:
October 2005Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
GRFLVAGFDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(571) 224
(703) 438, 757, 759Notes:
Source: Telebeans
Washington Zone 19
"Reston Fox Mill Road"
Listing Updated:
September 2010Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
RSTNVAFMDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 262, 264, 295, 390-1, 453, 476, 487, 620, 648, 715-6, 755, 758, 860Notes:
Also serves parts of Herndon rate center.
Washington Zone 19
"Vienna"
Listing Updated:
January 2011Operating Company:
Verizon/Bell Atlantic/C&P of VirginiaCLLI:
VINNVAVNDS0Switch Type:
Nokia/Alcatel/Lucent 5ESSPrefixes Served:
(703) 242, 255, 281, 319, 937-8Notes:
Source: GSV
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