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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 443 3672000 3672999 VERIZON MARYLAND INC G
Maryland 443 3673000 3673999 VERIZON MARYLAND INC G
Maryland 443 3674000 3674999 US LEC OF MD G
Maryland 443 3675000 3675999 VERIZON MARYLAND INC G
Maryland 443 3676000 3676999 SPRINT SPECTRUM MD M
Maryland 443 3677000 3677999 VERIZON MARYLAND INC G
Maryland 443 3678000 3678999 VERIZON WIRELESS-MD M
Maryland 443 3679000 3679999 LEVEL 3 COMM - MD G
Maryland 443 3930000 3930999 GLOBAL CROSSING-MD G
Maryland 443 3931000 3931999 GLOBAL CROSSING-MD G
Maryland 443 3932000 3932999 LEVEL 3 COMM - MD G
Maryland 443 3933000 3933999 LEVEL 3 COMM - MD G
Maryland 443 3934000 3934999 GLOBAL CROSSING-MD G
Maryland 443 3935000 3935999 GLOBAL CROSSING-MD G
Maryland 443 3936000 3936999 LEVEL 3 COMM - MD G
Maryland 443 3937000 3937999 LEVEL 3 COMM - MD G
Maryland 443 3938000 3938999 LEVEL 3 COMM - MD G
Maryland 443 3939000 3939999 LEVEL 3 COMM - MD G
Maryland 443 4300000 4300999 XO MARYLAND LLC G
Maryland 443 4301000 4301999 XO MARYLAND LLC X
Maryland 443 4302000 4302999 XO MARYLAND LLC G
Maryland 443 4303000 4303999 XO MARYLAND LLC G
Maryland 443 4304000 4304999 XO MARYLAND LLC X
Maryland 443 4305000 4305999 XO MARYLAND LLC X
Maryland 443 4306000 4306999 XO MARYLAND LLC G
Maryland 443 4307000 4307999 MCI WORLDCOM COMM MD G
Maryland 443 4308000 4308999 MCI WORLDCOM COMM MD G
Maryland 443 4309000 4309999 XO MARYLAND LLC G
Maryland 443 4720000 4720999 VERIZON WIRELESS-MD M
Maryland 443 4721000 4721999 VERIZON WIRELESS-MD M
Maryland 443 4722000 4722999 VERIZON WIRELESS-MD M
Maryland 443 4723000 4723999 VERIZON WIRELESS-MD M
Maryland 443 4724000 4724999 LEVEL 3 COMM - MD G
Maryland 443 4725000 4725999 VERIZON WIRELESS-MD M
Maryland 443 4726000 4726999 VERIZON WIRELESS-MD M
Maryland 443 4727000 4727999 VERIZON WIRELESS-MD M
Maryland 443 4728000 4728999 VERIZON WIRELESS-MD M
Maryland 443 4729000 4729999 VERIZON WIRELESS-MD M
Maryland 443 5180000 5180999 NEW CINGULAR WRLS DC M
Maryland 443 5181000 5181999 VERIZON MARYLAND INC G
Maryland 443 5182000 5182999 VERIZON MARYLAND INC G
Maryland 443 5183000 5183999 VERIZON MARYLAND INC G
Maryland 443 5184000 5184999 VERIZON MARYLAND INC G
Maryland 443 5185000 5185999 VERIZON MARYLAND INC G
Maryland 443 5186000 5186999 NEW CINGULAR WRLS DC M
Maryland 443 5187000 5187999 ALLEGIANCE TELCOM MD G
Maryland 443 5188000 5188999 NEW CINGULAR WRLS DC M
Maryland 443 5189000 5189999 NEW CINGULAR WRLS DC M
Maryland 443 5350000 5350999 VERIZON MARYLAND INC G
Maryland 443 5351000 5351999 BANDWIDTH.COM - MD G
Maryland 443 5352000 5352999 OMNIPOINT COMM CAP M
Maryland 443 5353000 5353999 OMNIPOINT COMM CAP M
Maryland 443 5354000 5354999 MCI WORLDCOM COMM MD G
Maryland 443 5355000 5355999 OMNIPOINT COMM CAP M
Maryland 443 5356000 5356999 BANDWIDTH.COM - MD G
Maryland 443 5357000 5357999 OMNIPOINT COMM CAP M
Maryland 443 5358000 5358999 VERIZON MARYLAND INC G
Maryland 443 5359000 5359999 VERIZON MARYLAND INC G
Maryland 443 5370000 5370999 OMNIPOINT COMM CAP M
Maryland 443 5371000 5371999 VERIZON MARYLAND INC G
Maryland 443 5372000 5372999 US LEC OF MD G
Maryland 443 5373000 5373999 VERIZON WIRELESS-MD M
Maryland 443 5374000 5374999 VERIZON MARYLAND INC G
Maryland 443 5375000 5375999 VERIZON WIRELESS-MD M
Maryland 443 5376000 5376999 VERIZON WIRELESS-MD M
Maryland 443 5377000 5377999 VERIZON WIRELESS-MD M
Maryland 443 5378000 5378999 VERIZON WIRELESS-MD M
Maryland 443 5379000 5379999 BANDWIDTH.COM - MD G
Maryland 443 5380000 5389999 OMNIPOINT COMM CAP M
Maryland 443 5390000 5390999 US LEC OF MD G
Maryland 443 5391000 5391999 US LEC OF MD G
Maryland 443 5392000 5392999 US LEC OF MD G
Maryland 443 5393000 5393999 US LEC OF MD G
Maryland 443 5394000 5394999 PAETEC COMM - MD G
Maryland 443 5395000 5395999 MCI WORLDCOM COMM MD G
Maryland 443 5396000 5396999 VERIZON WIRELESS-MD M
Maryland 443 5397000 5397999 LEVEL 3 COMM - MD G
Maryland 443 5398000 5398999 LEVEL 3 COMM - MD G
Maryland 443 5399000 5399999 US LEC OF MD G
Maryland 443 5420000 5420999 COMCAST PHONE - MD G
Maryland 443 5421000 5421999 SPRINT SPECTRUM MD M
Maryland 443 5422000 5422999 COMCAST PHONE - MD G
Maryland 443 5423000 5423999 SPRINT SPECTRUM MD M
Maryland 443 5424000 5424999 VERIZON MARYLAND INC G
Maryland 443 5425000 5425999 CAVALIER MID-ATL MD G
Maryland 443 5426000 5426999 VERIZON MARYLAND INC G
Maryland 443 5427000 5427999 VERIZON WIRELESS-MD M
Maryland 443 5428000 5428999 VERIZON WIRELESS-MD M
Maryland 443 5429000 5429999 COMCAST PHONE - MD G
Maryland 443 5450000 5450999 BROADWING COMM - MD G
Maryland 443 5451000 5451999 BROADWING COMM - MD G
Maryland 443 5452000 5452999 BROADWING COMM - MD G
Maryland 443 5453000 5453999 BROADWING COMM - MD G
Maryland 443 5454000 5454999 VERIZON WIRELESS-MD M
Maryland 443 5455000 5455999 COMCAST PHONE - MD G
Maryland 443 5456000 5456999 VERIZON WIRELESS-MD M
Maryland 443 5457000 5457999 NEUTRAL TANDEM - MD G
Maryland 443 5458000 5458999 BANDWIDTH.COM - MD G
Maryland 443 5459000 5459999 VERIZON WIRELESS-MD M
Maryland 443 5460000 5460999 VERIZON WIRELESS-MD M