NPA
NXX
CLLI
City, ST
Telco
410
549
SYVLMDSKDS0
SYKESVILLE
VERIZON MARYLAND INC.
410
552
SYVLMDSKDS0
SYKESVILLE
VERIZON MARYLAND INC.
410
795
SYVLMDSKDS0
SYKESVILLE
VERIZON MARYLAND INC.
410
875
WMNSMDWMDS0
SYKESVILLE
VERIZON MARYLAND INC.
410
970
BLTMMDDNDS0
SYKESVILLE
MCIMETRO ATS INC.
410
984
BLTMMDAFCM1
SYKESVILLE
NEXTEL COMMUNICATIONS
443
277
BLTMMDAFCM1
SYKESVILLE
NEXTEL COMMUNICATIONS
443
280
BLTMMDCHCM1
SYKESVILLE
AT&T WIRELESS SERVICES INC.
443
300
BLTMMDCHXZY
SYKESVILLE
FOCAL COMMUNICATIONS CORP OF THE MID-ATLANTIC
443
328
BLTMMDDN4MD
SYKESVILLE
GLOBAL NAPS SOUTH INC. - MD
443
361
BLTMMD91DS0
SYKESVILLE
CORE COMMUNICATIONS INC. - MD
443
398
HNVAMDBIW01
SYKESVILLE
NEXTEL COMMUNICATIONS
443
516
BLTOMDXIDS0
SYKESVILLE
GLOBAL CROSSING LOCAL SERVICES INC.-MD
443
609
BLTMMDSNDS0
SYKESVILLE
CAVALIER EAST LLC - MD
443
920
CLMAMDNIDS1
SYKESVILLE
TELEPORT COMMUNICATIONS GROUP AMERICA INC. - MD
814
894
SYVLPASYRS1
SYKESVILLE
VERIZON PENNSYLVANIA INC.