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2 records found
| Area Code | Prefix | City/Switch Name (Click for city search) | State/Prov. Area Map | Telephone Company Web link | Telco Type | More Info |
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| 240 | 650 | WSHNGTNZN3 | Maryland | INFOTELECOM, LLC - DC | More | |
| 240 | 650 | WSHNGTNZN3 | Maryland | ONVOY, LLC - MD | More | |
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