10,000 Phone Numbers for (443) 663 |
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90.00% Landline |
10.00% VOIP |
1 flagged number |
3 user comments |
Top Carriers | ||
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Onvoy | 30.0% | |
Verizon | 20.0% | |
Baltimore-Washington Telephone Company | 10.0% | |
CenturyLink | 10.0% | |
CoreTel | 10.0% | |
Local Access | 10.0% | |
XO Communications | 10.0% |