NCUA-insured credit union
Atlantic Regional — South Portland, ME
Credit Union headquartered in South Portland, Maine.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 600 Sable Oaks Dr Suite 100 South Portland, ME 04106 |
| County | Cumberland |
| Website | not published in NCUA data |
| Phone | (800) 834-0432 |
NCUA record
| NCUA Charter | 4281 |
| Federal Reserve RSSD ID | 169578 |
| Status | Active |
| Charter type | 1 (NCUA) |
| Financials as of | March 31, 2026 |
How to find your Atlantic Regional routing number
NCUA does not publish ABA routing numbers, and many credit unions use different routing numbers by state or by account type. The reliable places to find yours: the bottom left of a check from this credit union, the "account details" screen in its online banking, or its official website.
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Offices
| South Portland main office South Portland, ME |
600 Sable Oaks Dr Ste 100, 04106 (800) 834-0432 Monday-Friday 8:00 am-5:00 pm |
| Biddeford Biddeford, ME |
75 Boulder Way, 04005 (207) 571-3500 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Brunswick Brunswick, ME |
55 Cushing St, 04011 (207) 725-8728 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Cumberland Cumberland, ME |
327 Main St, 04021 (207) 725-8728 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Freeport Freeport, ME |
41 Mallett Dr, 04032 (207) 865-2830 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Saco Saco, ME |
477 Main St, 04072 (207) 282-2962 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Sanford Sanford, ME |
870 Main St, 04073 (207) 490-5060 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| South Sanford Sanford, ME |
1516 Main St, 04073 (207) 324-7511 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Scarborough Scarborough, ME |
2 Ginn Rd, 04074 (800) 834-0432 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Topsham Topsham, ME |
3 Union Park Rd, 04086 (207) 725-8728 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| Westbrook Westbrook, ME |
90 Riverside St, 04092 (207) 771-1150 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
| York York, ME |
387 Us Route 1, 03909 (207) 351-1021 Branch Hours 8:30 am - 5:00 pm Monday, Friday 8:30 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Drive-Thru Hours 8:00 am - 5:00 pm Monday, Friday 8:00 am - 4:00 pm Tuesday, Thursday 9:00 am - 4:00 pm Wednesday Saturday/video teller 9a-12p |
Where Atlantic Regional has offices
Cities with the most Atlantic Regional offices
Other credit unions headquartered in South Portland
| Town & Country | $627.64 million |
| Coast Line | $89.28 million |
| Maine Solutions | $21.51 million |
Largest credit unions headquartered elsewhere in Maine
| Maine Savings Hampden | $852.02 million |
| Maine State Augusta | $787.81 million |
| Evergreen Portland | $641.42 million |
| University Orono | $529.58 million |
| the County Presque Isle | $520.35 million |
| Dirigo Lewiston | $494.91 million |
| Cumberland County Falmouth | $488.46 million |
| Cport Portland | $439.23 million |
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