NCUA-insured credit union
Diamond — Pottstown, PA
Credit Union headquartered in Pottstown, Pennsylvania.
Source: NCUA call report data, data as of March 31, 2026, fetched September 5, 2026
Headquarters and contact
| Address | 1600 Medical Dr Pottstown, PA 19464 |
| County | Montgomery |
| Website | not published in NCUA data |
| Phone | (610) 326-5490 |
NCUA record
| NCUA Charter | 68241 |
| Federal Reserve RSSD ID | 748571 |
| Status | Active |
| Charter type | 2 (STATE) |
| Financials as of | March 31, 2026 |
How to find your Diamond 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
| Headquarters main office Pottstown, PA |
1600 Medical Dr, 19464 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Exeter Branch Birdsboro, PA |
6591 Perkiomen Ave, 19508 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Boyertown Branch Gilbertsville, PA |
173 Holly Rd, 19525 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Cumru Branch Reading, PA |
1030 Cedar Top Rd, 19607 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Royersford Branch Royersford, PA |
100 Diamond Way, 19468 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Muhlenberg Branch Temple, PA |
4453 5Th Street Hwy, 19560 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
| Reading Hospital Branch West Reading, PA |
6Th Avenue And Spruce St, 19611 (610) 326-5490 Mon-Fri 7:30-4:00 |
| Wyomissing Branch Wyomissing, PA |
1500 Ethan Dr, 19610 (610) 326-5490 Mon-Weds 9:00-5:00 Th 9:00-7:00 Fri 9:00-6:00 Sat 8:00-1:00 (Contact Ctr) |
Where Diamond has offices
Cities with the most Diamond offices
Other credit unions headquartered in Pottstown
| Tri County Area | $210.41 million |
Largest credit unions headquartered elsewhere in Pennsylvania
| Police & Fire Philadelphia | $10.15 billion |
| Pennsylvania State Employees Harrisburg | $9.62 billion |
| Members 1st Enola | $8.61 billion |
| Citadel Exton | $6.77 billion |
| American Heritage Philadelphia | $5.32 billion |
| Trumark Financial Fort Washington | $3.57 billion |
| Franklin Mint Chadds Ford | $2.25 billion |
| Clearview Moon Township | $2.17 billion |
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