NPA
NXX
CLLI
City, ST
Telco
410
265
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
277
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
281
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
298
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
594
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
597
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
645
BLTOMDKHDS0
WOODLAWN
MCI WORLDCOM COMMUNICATIONS INC. - MD
410
786
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
907
BLTMMDDNDS0
WOODLAWN
MCIMETRO ATS INC.
410
944
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
965
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
410
966
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
443
200
BLTMMDCDDS0
WOODLAWN
ALLEGIANCE TELECOM INC. - MD
443
202
WDLWMDBPCM0
WOODLAWN
NETWORK SERVICES LLC (TSR)
443
316
BLTOMDXIDS0
WOODLAWN
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
348
BLTMMDFMDS0
WOODLAWN
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
443
380
BLTMMDAFDS0
WOODLAWN
WINSTAR COMMUNICATIONS LLC - MD
443
429
HNVAMDBHRS0
WOODLAWN
CAVALIER TELEPHONE MID-ATLANTIC. LLC - MD
443
436
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
443
551
BLTMMDSNDS1
WOODLAWN
LEVEL 3 COMMUNICATIONS LLC - MD
443
658
BLTMMDDN4MD
WOODLAWN
GLOBAL NAPS SOUTH INC. - MD
443
663
WDLWMDWLDS0
WOODLAWN
VERIZON MARYLAND INC.
443
687
LNHGMDAVDS0
WOODLAWN
BROADSTREET COMMUNICATIONS INC. - MD
443
729
BLTMMDCHW29
WOODLAWN
PAETEC COMMUNICATIONS INC.- MD
443
751
BLTMMDSNDS0
WOODLAWN
CAVALIER EAST LLC - MD
443
780
CLMAMDJTDS0
WOODLAWN
US LEC OF MARYLAND INC.
443
893
BLTMMDSN5MD
WOODLAWN
XO MARYLAND LLC
443
932
WDLWMDBPCM0
WOODLAWN
NETWORK SERVICES LLC
618
735
WDLWILXEDS0
WOODLAWN
CITIZENS TELECOM CO ILLINOIS-FRONTIER CITIZENS -IL