07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

GALNMDGLRS0

Galena

Genband/Nortel RSC

648

Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

FORKMDFKRS1

Fork

Nokia/Alcatel/Lucent 5ESS EXM

405, 592-3, 817

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

FDBGMDFERS0

Federalsburg

Nokia/Alcatel/Lucent 5ESS Remote

754

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

ESSXMDEXDS0

Essex

Genband/Nortel DMS-10

238, 391, 574, 682, 686-7, 780, 918 (443) 777

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

ELCYMDELDS0

Ellicott City

Genband/Nortel DMS-100

203, 313, 418, 461, 465, 480, 750

Source: GSV

04/01/2012

Verizon/Bell Atlantic/C&P Telephone of Maryland

EKTNMDEKDS0

Elkton

Nokia/Alcatel/Lucent 5ESS

392, 398, 506, 620, 996

12/01/2005

Verizon/Bell Atlantic/C&P Telephone of Maryland

EKRGMDPKRS0

Parkway

Genband/Nortel RSC

712, 782

Source: Telebeans

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

EKRGMDELDS0

Elkridge

Genband/Nortel DMS-100

379, 407, 471, 503, 540, 579, 796, 799 (443) 755

Serves parts of Waterloo. Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

WNRNMDWNRS1

Winters Run

Digital Switch (unknown type)

515, 569

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

EDWDMDEGDS0

Edgewood

Genband/Nortel DMS-100

417, 436, 538, 612, 671, 676, 679

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

DNDLMDDNDS0

Dundalk

Nokia/Alcatel/Lucent 5ESS

282, 284-5, 288, 631, 633

Serves parts of Baltimore. Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

DNTNMDDTRS0

Denton

Nokia/Alcatel/Lucent 5ESS

479

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

DLMRMDDMRS1

Delmar

Genband/Nortel RSC

896

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

DLISMDDLRS0

Deal Island

Genband/Nortel RSC

784

Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

DRTNMDDRRS0

Darlington

Nokia/Alcatel/Lucent 5ESS Remote

457

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

COTNMDCRDS0

Crofton

Nokia/Alcatel/Lucent 5ESS

(301) 261, 858 (410) 451, 721, 793

Serves parts of Washington Zone 14 & Severna Park. Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CLMAMDOBDS0

Owen Brown

Nokia/Alcatel/Lucent 5ESS Host

(301) 310 (410) 309, 381, 505 (443) 259

Serves parts of Laurel & Ellicott City. Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CYVLMDCKDS0

Main

Nokia/Alcatel/Lucent 5ESS

252, 308, 453, 560-1, 628, 666-7, 683 (443) 841

Serves parts of Towson. Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CYVLMDDADS0

Hunt Valley

Nokia/Alcatel/Lucent 5ESS

229, 316, 393, 527, 584, 771, 773, 785, 856 (443) 353, 556

Serves parts of Baltimore. Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

CCVLMDCHRS0

Churchville

Nokia/Alcatel/Lucent 5ESS Remote

734, 989

Serves parts of Fork

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CHRTMDCHDS0

Chestertown

Genband/Nortel DMS-100

778, 810

Source: GSV

06/01/2005

Verizon/Bell Atlantic/C&P Telephone of Maryland

CHCYMDCHRS0

Chesapeake City

Genband/Nortel RSC

885

Source: Telebeans

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CHASMDCHDS0

Chase

Genband/Nortel DMS-100

335, 344

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CCTNMDCLRS0

Cecilton

Genband/Nortel RSC

275, 755

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CTVLMDCTDS0

Catonsville

Genband/Nortel DMS-100

455, 719, 744, 747, 788, 869 (443) 612

Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

CRDFMDCDRS0

Cardiff

Nokia/Alcatel/Lucent 5ESS Remote

399, 452, 983

Serves parts of Bel Air & Fork

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

CMBRMDCMDS0

Cambridge

Genband/Nortel DMS-100

221, 228, 901

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BSHPMDBPRS0

Bishop

Genband/Nortel RSC

352

Source: GSV

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLARMDBLDS0

Bel Air

Nokia/Alcatel/Lucent 5ESS

420, 588, 638, 803, 836, 838, 877, 879, 893

Serves parts of Fork & Fallston

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDYKDS0

York

Nokia/Alcatel/Lucent 5ESS

323, 372, 377, 433, 435, 464, 532, 617

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDWLDS0

Wolfe

Nokia/Alcatel/Lucent 5ESS Host

276, 327, 342, 502, 533, 534, 537. 558. 563, 614, 675, 732, 955 (443) 287

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDUVDS0

University

Nokia/Alcatel/Lucent 5ESS

235, 243, 261, 338, 366, 467, 516, 554, 662, 889 (443) 997

Photo 2 is the original central office. Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDMDDS0

Madison

Genband/Nortel DMS-100

225, 383, 462, 523, 669, 728, 767 (443) 552

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDLBDS0

Liberty

Nokia/Alcatel/Lucent 5ESS

367, 466, 542, 578, 601, 664

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDHMDS0

Hamilton

Nokia/Alcatel/Lucent 5ESS-2000

254, 319, 426, 444 (443) 885

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDFRDS0

Frankford

Genband/Nortel DMS-100

325, 483, 485, 488, 866 (443) 868

Serves parts of Essex. Source: GSV.

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDEDRP0

Edmondson

Genband/Nortel Media Gateway 9000 Remote

233, 362, 566, 624, 945, 947

This was one of three remaining 1AESS switches in all of Verizon in the early 2010s. It was replaced with a Genand/Nortel CS2000 remote packet switch in January 2012.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BLTMMDCHDS2

Charles Street

Nokia/Alcatel/Lucent 5ESS Host

209, 244, 328, 359, 361, 396, 528, 545, 605, 637, 685, 706, 736, 962 (443) 627, 984

Home to a number of CLEC and cellular switches and acts as a regional tandem. Serves parts of Washington Zone 4. Source: GSV.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

BRKLMDBKDS0

Brooklyn

Genband/Nortel DMS-100

350, 354-5, 609, 636, 789

Serves parts of Brooklyn Park-Linthicum. Source: GSV.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

ARMGMDARDS0

Armiger

Nokia/Alcatel/Lucent 5ESS

255, 360, 437, 439 (443) 770

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

ARBTMDARDS0

Arbutus

Genband/Nortel DMS-100

204, 242, 247, 368, 395, 469, 525, 536, 587, 644, 646, 737, 759, 801, 906 (443) 543

Serves parts of Baltimore. Source: GSV.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

STMRMDSMRS1

St. Margarets

Nokia/Alcatel/Lucent 5ESS Remote

349, 757, 974

Serves parts of Severna Park. Source: GSV.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

PARLMDPADS0

Parole

Nokia/Alcatel/Lucent 5ESS

(301) 970, (410) 224, 266, 571, 573, 841, 849, 897, 946 (443) 481

Serves parts of Washington Zone 14, Severna Park & Sherwood Forest. Source: GSV.

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

MAYOMDMYRS1

Mayo

Nokia/Alcatel/Lucent 5ESS Remote

(301) 205 (410) 798, 956 (443) 203

Source: GSV

07/01/2011

Verizon/Bell Atlantic/C&P Telephone of Maryland

ANNPMDANDS0

Main

Nokia/Alcatel/Lucent 5ESS

(410) 216, 260, 263, 267-9, 280, 295, 626, 990 (443) 476, 482

Serves parts of Severna Park. Source: GSV.

06/01/2010

Verizon/Bell Atlantic/C&P Telephone of Maryland

ABRDMDABDS0

Aberdeen

Genband/Nortel DMS-100

272-3, 278, 297, 306, 575, 994

06/01/2013

Windstream/Valor/GTE

WNNETXXADS0

Winnie

Genband/Nortel DMS-10

296

Source: Larry P.

07/01/2014

at&t/SBC/Southwestern Bell

VDORTXSURS0

Sunset

Genband/Nortel RSC

681, 786

Source: Larry P.

12/01/2013

at&t/SBC/Southwestern Bell

VDORTXRORS0

Rockwell

Genband/Nortel RSC

768-9, 783

Source: Larry P.

06/01/2013

at&t/SBC/Southwestern Bell

PTARTXWORS0

Woodlawn

Genband/Nortel RSC

960, 962-3

Source: Larry P.