| Zip Code | Primary City | Secondary City | | 04101 | Portland | | | 04102 | Portland | | | 04103 | Portland | | | 04104 | Portland | | | 04105 | Portland | | | 04106 | South Portland | Portland, So S | | 04107 | Cape Elizabeth | Portland, Cape Cottage, Cape Eliz, Pond Cove, | | 04108 | Peaks Island | Portland | | 04109 | Portland | Portland, Cushing Is, Cushing Island, Diamond Cove, Diamond Is, Diamond Island, Great Diamond Island, Grt Dia Is, Little Diamond Island, Ltle Dia Is | | 04110 | Cumberland Foreside | Portland, Cumb Foreside | | 04112 | Portland | | | 04116 | South Portland | Portland, S | | 04122 | Portland | Union Mutual Life Ins | | 04123 | Portland | Union Mutual Life Ins | | 04124 | Portland | Union Mutual Life Ins |
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