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Carrier Name
National Destination Code
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City Name:Columbia
This is the United States City Name:Columbia Area Code Database page list. You can click the title to browse the detail information.
Region Code: MD
Region Name
National Destination Code
Sn from
Sn to
Carrier Name
Number Type
Maryland
410
3126000
3126999
VERIZON MARYLAND INC
G
Maryland
410
3127000
3127999
VERIZON MARYLAND INC
G
Maryland
410
3128000
3128999
VERIZON MARYLAND INC
G
Maryland
410
3129000
3129999
VERIZON MARYLAND INC
G
Maryland
410
3810000
3819999
VERIZON MARYLAND INC
G
Maryland
410
4230000
4239999
TELEPORT COMM AM-MD
G
Maryland
410
4470000
4479999
USA MOBILITY WRLS
M
Maryland
410
5310000
5319999
VERIZON MARYLAND INC
G
Maryland
410
7070000
7079999
VERIZON WIRELESS-MD
M
Maryland
410
7150000
7159999
VERIZON MARYLAND INC
G
Maryland
410
7300000
7309999
VERIZON MARYLAND INC
G
Maryland
410
7400000
7409999
VERIZON MARYLAND INC
G
Maryland
410
7720000
7720999
VERIZON MARYLAND INC
G
Maryland
410
7721000
7721999
VERIZON MARYLAND INC
G
Maryland
410
7722000
7722999
VERIZON MARYLAND INC
G
Maryland
410
7723000
7723999
VERIZON MARYLAND INC
G
Maryland
410
7724000
7724999
METRO PCS INC.
M
Maryland
410
7725000
7725999
VERIZON MARYLAND INC
G
Maryland
410
7726000
7726999
VERIZON MARYLAND INC
G
Maryland
410
7727000
7727999
VERIZON MARYLAND INC
G
Maryland
410
7728000
7728999
VERIZON MARYLAND INC
G
Maryland
410
7729000
7729999
VERIZON MARYLAND INC
G
Maryland
410
7940000
7940999
TW TELECOM OF MD
G
Maryland
410
7941000
7941999
TW TELECOM OF MD
G
Maryland
410
7942000
7942999
TW TELECOM OF MD
G
Maryland
410
7943000
7943999
TW TELECOM OF MD
G
Maryland
410
7944000
7944999
TW TELECOM OF MD
G
Maryland
410
7945000
7945999
BALTIMORE-WAS TEL
G
Maryland
410
7946000
7946999
VERIZON WIRELESS-MD
M
Maryland
410
7947000
7947999
TW TELECOM OF MD
G
Maryland
410
7948000
7948999
TW TELECOM OF MD
G
Maryland
410
7949000
7949999
TW TELECOM OF MD
G
Maryland
410
8720000
8729999
VERIZON MARYLAND INC
G
Maryland
410
8840000
8849999
VERIZON MARYLAND INC
G
Maryland
410
9100000
9109999
MCI WORLDCOM COMM MD
G
Maryland
410
9530000
9530999
VERIZON MARYLAND INC
G
Maryland
410
9531000
9531999
VERIZON MARYLAND INC
G
Maryland
410
9532000
9532999
VERIZON MARYLAND INC
G
Maryland
410
9533000
9533999
VERIZON MARYLAND INC
G
Maryland
410
9534000
9534999
VERIZON MARYLAND INC
G
Maryland
410
9535000
9535999
VERIZON MARYLAND INC
G
Maryland
410
9536000
9536999
VERIZON MARYLAND INC
G
Maryland
410
9537000
9537999
VERIZON MARYLAND INC
G
Maryland
410
9538000
9538999
VERIZON MARYLAND INC
G
Maryland
410
9539000
9539999
OMNIPOINT COMM CAP
M
Maryland
410
9640000
9649999
VERIZON MARYLAND INC
G
Maryland
410
9920000
9920999
VERIZON MARYLAND INC
G
Maryland
410
9921000
9921999
VERIZON MARYLAND INC
G
Maryland
410
9922000
9922999
VERIZON WIRELESS-MD
M
Maryland
410
9923000
9923999
VERIZON MARYLAND INC
G
Maryland
410
9924000
9924999
VERIZON MARYLAND INC
G
Maryland
410
9925000
9925999
VERIZON MARYLAND INC
G
Maryland
410
9926000
9926999
VERIZON MARYLAND INC
G
Maryland
410
9927000
9927999
VERIZON MARYLAND INC
G
Maryland
410
9928000
9928999
VERIZON MARYLAND INC
G
Maryland
410
9929000
9929999
VERIZON MARYLAND INC
G
Maryland
410
9970000
9979999
VERIZON MARYLAND INC
G
Maryland
443
2590000
2590999
VERIZON MARYLAND INC
G
Maryland
443
2591000
2591999
VERIZON MARYLAND INC
G
Maryland
443
2592000
2592999
VERIZON MARYLAND INC
G
Maryland
443
2593000
2593999
VERIZON MARYLAND INC
G
Maryland
443
2594000
2594999
VERIZON MARYLAND INC
G
Maryland
443
2595000
2595999
US LEC OF MD
G
Maryland
443
2596000
2596999
VERIZON MARYLAND INC
G
Maryland
443
2597000
2597999
VERIZON MARYLAND INC
G
Maryland
443
2598000
2598999
VERIZON MARYLAND INC
G
Maryland
443
2599000
2599999
ATX TELECOMM SVCS
G
Maryland
443
2760000
2760999
ALLEGIANCE TELCOM MD
G
Maryland
443
2761000
2761999
ALLEGIANCE TELCOM MD
G
Maryland
443
2762000
2762999
ALLEGIANCE TELCOM MD
G
Maryland
443
2763000
2763999
GLOBAL TELECOM BKRS
G
Maryland
443
2764000
2764999
ALLEGIANCE TELCOM MD
G
Maryland
443
2765000
2765999
ALLEGIANCE TELCOM MD
G
Maryland
443
2766000
2766999
ALLEGIANCE TELCOM MD
G
Maryland
443
2767000
2767999
ALLEGIANCE TELCOM MD
G
Maryland
443
2768000
2768999
CORE COMM - MD
G
Maryland
443
2769000
2769999
ALLEGIANCE TELCOM MD
G
Maryland
443
2830000
2839999
PAETEC COMM - MD
G
Maryland
443
2850000
2850999
VERIZON MARYLAND INC
G
Maryland
443
2851000
2851999
VERIZON WIRELESS-MD
M
Maryland
443
2852000
2852999
VERIZON WIRELESS-MD
M
Maryland
443
2853000
2853999
VERIZON WIRELESS-MD
M
Maryland
443
2854000
2854999
VERIZON MARYLAND INC
G
Maryland
443
2855000
2855999
VERIZON MARYLAND INC
G
Maryland
443
2856000
2856999
XO MARYLAND LLC
G
Maryland
443
2857000
2857999
VERIZON MARYLAND INC
G
Maryland
443
2858000
2858999
VERIZON MARYLAND INC
G
Maryland
443
2859000
2859999
VERIZON WIRELESS-MD
M
Maryland
443
3190000
3190999
CAVALIER TEL - MD
G
Maryland
443
3191000
3191999
CAVALIER TEL - MD
G
Maryland
443
3192000
3192999
METRO PCS INC.
M
Maryland
443
3193000
3193999
OMNIPOINT COMM CAP
M
Maryland
443
3194000
3194999
LIGHTWAVE COMM-MD
G
Maryland
443
3195000
3195999
COMCAST PHONE - MD
G
Maryland
443
3196000
3196999
CAVALIER TEL - MD
G
Maryland
443
3197000
3197999
METRO PCS INC.
M
Maryland
443
3198000
3198999
XO MARYLAND LLC
G
Maryland
443
3199000
3199999
CAVALIER TEL - MD
G
Maryland
443
3670000
3670999
VERIZON MARYLAND INC
G
Maryland
443
3671000
3671999
SPRINT SPECTRUM MD
M
‹‹
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