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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 |
|---|---|---|---|---|---|---|
| 503 | 818 | PORTLAND | Oregon | MCIMETRO ACCESS TRANSMISSION SERVICES LLC | CLEC | More |
| 503 | 818 | PORTLAND | Oregon | USA MOBILITY WIRELESS, INC. | WIRELESS PROV | More |
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VOIP - Voice Over Internet Protocol - Facts and Updates |
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WIMax - Worldwide Interoperability for Microwave Access - News and Products |