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Area Codes 703 & 571
Telephone Central Office Building Pictures

The following are respresntative 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 2005

Operating Company:
Verizon/GTE/Contel

CLLI:
ARCLVAXARS0

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(703) 327

Notes:
Source: Telebeans

 

Braddock

"Centerville"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
CNVIVACTDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes 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, 988

Notes:
Source: GSV

 

Dale City

Listing Updated:
July 2014

Operating Company:
Verizon/GTE/Contel

CLLI:
DLCYVAXADS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(703) 580, 583, 590, 670, 680, 730, 878, 897

Notes:
 

 

Herndon

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
HRNDVAHEDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes 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, 984

Notes:
Source: GSV

 

Herndon

"Dulles Corner"

Listing Updated:
November 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
HRNDVADUDS1

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(571) 643
(703) 424, 484, 561, 713, 793

Notes:
Source: Telebeans

 

Herndon

"Sterling Park"

Listing Updated:
May 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
HRNDVASTDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 434
(703) 265, 404, 406, 421, 430, 433, 444, 450, 948

Notes:
Source: Telebeans

 

Leesburg

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
LSBGVALBDS0

Switch Type:
Alcatel/Lucent 5ESS Host

Prefixes Served:
(571) 258
(703) 669, 737, 771, 777, 779

Notes:
Source: Telebeans

 

Leesburg

"Ashburn"

Listing Updated:
January 2006

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ASBNVAASDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 233, 252, 845
(703) 723-4, 726, 729, 858

Notes:
Source: Telebeans

 

Manassas

Photo 2 | Photo 3

Photo 4 | Photo 5

Photo 6 | Photo 7

Photo 8

Listing Updated:
April 2012

Operating Company:
Verizon/GTE/Contel/Commonwealth Telephone/Central Mutual Telephone

CLLI:
MNSSVAXADS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(571) 921
(703) 257, 330-1, 335, 361, 365-9 392-3, 396, 530, 792

Notes:
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 2011

Operating Company:
Verizon/GTE/Contel

CLLI:
NKVLVAXARS0

Switch Type:
Genband/Nortel RLC

Prefixes Served:
(703) 594

Notes:
Source: GSV

 

Occoquan

Listing Updated:
April 2012

Operating Company:
Verizon/GTE/Contel/Commonwealth Telephone/Central Mutual Telephone

CLLI:
OCQNVAXADS0

Switch Type:
Genband/Nortel DMS-100/200

Prefixes Served:
(703) 490-2, 494, 497, 499

Notes:
In the 1970s, Evan Doorbell confirmed this was a senderized Stromberg-Carlson XY switch.

 

Washington Zone 8

"Alexandria"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVAAXDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(571) 270, 272, 431
(703) 299, 518-9, 535, 548-9, 683-4, 706, 739, 836-8

Notes:
Source: GSV

 

Washington Zone 8

"Alexandria Barcroft"

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVABADS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 379, 575, 578, 671, 681, 756, 820, 824, 845, 882, 931, 933, 998

Notes:
Source: Telebeans

 

Washington Zone 8

"Alexandria Burgundy Rd."

Photo 2

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVABRDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 317, 325, 329, 428, 960

Notes:
Source: GSV

 

Washington Zone 8

"Alexandria Cameron"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVACNDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 273
(703) 212, 274, 370, 461, 504, 617, 751, 823

Notes:
Source: GSV

 

Washington Zone 8

"Alexandria Franconia"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVAFRDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 213-5, 313, 719, 822, 921-2, 924, 971

Notes:
Source: GSV

 

Washington Zone 8

"Alexandria Mount Vernon"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVAMVDS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(703) 355, 360, 619, 664, 704, 767, 780-1, 799, 805-6

Notes:
Source: GSV

 

Washington Zone 8

"Lorton Gunston (Engleside)"

Listing Updated:
January 2011

Operating Company:
Verizon/x

CLLI:
LRTNVAGUDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 642
(703) 339, 541, 550

Notes:
Source: GSV

 

Washington Zone 8

"Arlington"

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ARTNVAARDS0

Switch Type:
Alcatel/Lucent 5ESS Host

Prefixes 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, 993

Notes:
Also home to an AT&T LL 4ESS tandem. Source: Telebeans

 

Washington Zone 8

"Arlington Columbia Pike

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ARTNVACKDS1

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 271, 302, 486, 521, 553, 557, 685, 746, 769, 892, 920, 979

Notes:
Source: Telebeans

 

Washington Zone 08

"Arlington Crystal City"

Listing Updated:
April 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ARTNVACYDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 483
(703) 412-9, 601-4, 607, 699, 872

Notes:
Source: Telebeans

 

Triangle

Photo 2 | Photo 3

Listing Updated:
May 2007

Operating Company:
Verizon/GTE

CLLI:
TRNGVAXARS0

Switch Type:
Genband/Nortel RSC

Prefixes Served:
(703) 221, 441, 445

Notes:
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 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ALXNVAADDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 238, 256, 315-6, 320, 333, 354, 642, 658, 750, 813, 914, 916, 941-2

Notes:
Source: GSV

 

Washington Zone 17

"Arlington Falls Church"

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
ARTNVAFCDS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(703) 237, 241, 531-4, 536, 538

Notes:
Source: Telebeans

 

Washington Zone 17

"Falls Church Merrifield"

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
FLCHVAMFDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 226, 423
(703) 204-8, 280, 289, 560, 573, 641, 645, 698, 776, 846, 849, 876

Notes:
Source: Telebeans

 

Washington Zone 17

"McClean Lewinsville"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
DS0: MCLNVALVDS0
DS1: MCLNVALVDS1
RS1: MCLNVALVRS1

Switch Type:
DS0: Alcatel/Lucent 5ESS
DS1: Genband/Nortel DMS-100
RS1: Alcatel/Lucent 5ESS Remote

Prefixes 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) 382

Notes:
Remote switch is served out of Vienna 5E host. Source: GSV

 

Washington Zone 17

"Springfield"

Listing Updated:
October 2007

Operating Company:
Verizon/Bell Atlantic

CLLI:
SPFDVASPDS0

Switch Type:
Nokia Siemens EWSD

Prefixes Served:
(703) 440, 451-2, 455, 569, 644, 866, 912-3, 923

Notes:
Serves parts of Engleside rate center.

 

Washington Zone 19

"Fairfax"

Listing Updated:
December 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
FRFXVAFFDS0

Switch Type:
Genband/Nortel DMS-100

Prefixes Served:
(571) 432, 435
(703) 218-9, 246, 267, 273, 277-9, 293, 352, 359, 383-5, 457, 460, 591, 691, 877, 934

Notes:
Source: Telebeans

 

Washington Zone 19

"Fairfax Braddock Rd."

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
FRFXVABFDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 239, 249-50, 321, 323, 425-6, 503, 764, 978

Notes:
Source: GSV

 

Washington Zone 19

"Great Falls"

Listing Updated:
October 2005

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
GRFLVAGFDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(571) 224
(703) 438, 757, 759

Notes:
Source: Telebeans

 

Washington Zone 19

"Reston Fox Mill Road"

Listing Updated:
September 2010

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
RSTNVAFMDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 262, 264, 295, 390-1, 453, 476, 487, 620, 648, 715-6, 755, 758, 860

Notes:
Also serves parts of Herndon rate center.

 

Washington Zone 19

"Vienna"

Listing Updated:
January 2011

Operating Company:
Verizon/Bell Atlantic/C&P of Virginia

CLLI:
VINNVAVNDS0

Switch Type:
Alcatel/Lucent 5ESS

Prefixes Served:
(703) 242, 255, 281, 319, 937-8

Notes:
Source: GSV

 

 


Copyright 2014 Telephne Central Office Building Pictures
Page last modified July 24, 2014
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