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City Carrier Name:Columbia
This is the United States City Carrier Name:Columbia Area Code Database page list. You can click the title to browse the detail information.
| Region Name | National Destination Code | Sn from | Sn to | Number Type |
|---|---|---|---|---|
| Maryland | 443 | 2595000 | 2595999 | G |
| Maryland | 443 | 3674000 | 3674999 | G |
| Maryland | 443 | 5372000 | 5372999 | G |
| Maryland | 443 | 5390000 | 5390999 | G |
| Maryland | 443 | 5391000 | 5391999 | G |
| Maryland | 443 | 5392000 | 5392999 | G |
| Maryland | 443 | 5393000 | 5393999 | G |
| Maryland | 443 | 5399000 | 5399999 | G |
| Maryland | 443 | 7182000 | 7182999 | G |
| Maryland | 443 | 7183000 | 7183999 | G |
| Maryland | 443 | 7184000 | 7184999 | G |
| Maryland | 443 | 7185000 | 7185999 | G |
| Maryland | 443 | 7661000 | 7661999 | G |
| Maryland | 443 | 7667000 | 7667999 | G |
| Maryland | 443 | 8321000 | 8321999 | G |
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