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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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503 | 518 | CLACKAMAS | Oregon | BEAVER CREEK COOPERATIVE TELEPHONE COMPANY - OR | More | |
503 | 518 | VANCOUVER | Oregon | NEXTEL COMMUNICATIONS, INC. | WIRELESS PROV | More |
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