UPDATE: Beginning on April 30th, 2020 Maine is transitioning to a “safer at home” approach under a plan by Gov. Janet Mills. We suspect all Maine WalMart locations will be back to their normal hours. That said, contact your local WalMart to confirm operating hours.
In 2020, there are 22 WalMart Stores in Maine. All locations are listed below.
No new WalMart stores opened or established WalMart stores closed in 2019 in the state of Maine.
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| Store Number | Store Name | Store Type | Open Date | Address | City | State | Zip Code | Phone Number |
| 1788 | Walmart Supercenter | Supercenter | 8/4/1992 0:00 | 500 Gallery Blvd | Scarborough | ME | 4074 | (207) 885-5567 |
| 1797 | Walmart Supercenter | Supercenter | 11/2/1992 0:00 | 55 Thomaston Commons Way | Thomaston | ME | 4861 | (207) 596-0885 |
| 1856 | Walmart Supercenter | Supercenter | 1/5/1993 0:00 | 900 Stillwater Ave | Bangor | ME | 4401 | (207) 947-5254 |
| 1866 | Walmart Supercenter | Supercenter | 3/2/1993 0:00 | 615 Wilton Rd | Farmington | ME | 4938 | (207) 778-5344 |
| 1868 | Walmart Supercenter | Supercenter | 2/2/1993 0:00 | 100 Mount Auburn Ave | Auburn | ME | 4210 | (207) 784-0738 |
| 1919 | Walmart | Store | 2/2/1993 0:00 | 250 W Broadway | Lincoln | ME | 4457 | (207) 794-8436 |
| 1924 | Walmart Supercenter | Supercenter | 2/2/1993 0:00 | 781 Main St | Presque Isle | ME | 4769 | (207) 764-8485 |
| 1932 | Walmart Supercenter | Supercenter | 8/31/1993 0:00 | 17 Myrick St | Ellsworth | ME | 4605 | (207) 667-6780 |
| 1939 | Walmart Supercenter | Supercenter | 4/30/1993 0:00 | 15 Tibbetts Dr | Brunswick | ME | 4011 | (207) 725-0773 |
| 1954 | Walmart Supercenter | Supercenter | 4/30/1993 0:00 | 1930 Main St | Sanford | ME | 4073 | (207) 490-1988 |
| 1974 | Walmart | Store | 8/31/1993 0:00 | 17 Ludlow Rd | Houlton | ME | 4730 | (207) 532-2181 |
| 2013 | Walmart Supercenter | Supercenter | 9/28/1993 0:00 | 80 Waterville Commons Dr | Waterville | ME | 4901 | (207) 877-8774 |
| 2046 | Walmart Supercenter | Supercenter | 10/26/1993 0:00 | 201 Civic Center Dr | Augusta | ME | 4330 | (207) 623-8223 |
| 2047 | Walmart Supercenter | Supercenter | 1/4/1994 0:00 | 1573 Main St | Palmyra | ME | 4965 | (207) 368-2448 |
| 2143 | Walmart Supercenter | Supercenter | 9/27/1994 0:00 | 60 Fairgrounds Mkt Pl | Skowhegan | ME | 4976 | (207) 474-2126 |
| 2153 | Walmart Supercenter | Supercenter | 9/19/1995 0:00 | 50 Boulder Way | Biddeford | ME | 4005 | (207) 286-9551 |
| 2178 | Walmart Supercenter | Supercenter | 10/26/1994 0:00 | 379 South St | Calais | ME | 4619 | (207) 454-8178 |
| 2183 | Walmart Supercenter | Supercenter | 10/18/1994 0:00 | 1240 Main St | Oxford | ME | 4270 | (207) 743-0882 |
| 2202 | Walmart Supercenter | Supercenter | 10/26/1994 0:00 | 30 Landing Rd | Windham | ME | 4062 | (207) 893-0603 |
| 2659 | Walmart | Store | 8/19/1998 0:00 | 206 Us Rt 1 | Falmouth | ME | 4105 | (207) 781-3879 |
| 3269 | Walmart Supercenter | Supercenter | 6/19/2002 0:00 | 258 River Rd | Mexico | ME | 4257 | (207) 364-2557 |
| 5076 | Walmart Supercenter | Supercenter | 6/18/2003 0:00 | 24 Walton Dr | Brewer | ME | 4412 | (207) 989-5068 |