First three digits · Maryland
ZIP Codes Starting with
30 ZIP codes start with 215, sorted at the Baltimore, MD (SCF 212) sectional center (USPS labeling list L005, effective October 1, 2026) in Maryland: 23 residential ZIP codes across 2 counties and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 215 mean?
The first digit, 2, is one of ten national areas (District of Columbia, Maryland, North Carolina, South Carolina, Virginia and West Virginia). The first three, 215, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 215 to the Baltimore, MD (SCF 212) facility. The last two digits pick the delivery area. By residents, the largest town names among the 215 ZIP codes are Cumberland, Oakland, Frostburg, Grantsville, Westernport and Friendsville.
The same facility sorts 5 prefixes, 198 ZIP codes in all: 212, 215, 217, 219, 267.
Where are the 215 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 215
| County | ||||||
|---|---|---|---|---|---|---|
| 21501 | Cumberland | Allegany County | PO Box or unique | – | – | – |
| 21502 | Cumberland | Allegany County | 41,015 | 445 | $61k | $154k |
| 21503 | Cumberland | Allegany County | PO Box or unique | – | – | – |
| 21504 | Cumberland | Allegany County | PO Box or unique | – | – | – |
| 21505 | Cumberland | Allegany County | PO Box or unique | – | – | – |
| 21520 | Accident | Garrett County | 1,918 | 34 | $60k | $299k |
| 21521 | Barton | Garrett County | 1,400 | 59 | $64k | $108k |
| 21522 | Bittinger | Garrett County | PO Box or unique | – | – | – |
| 21523 | Bloomington | Garrett County | 150 | 201 | $59k | $98k |
| 21524 | Corriganville | Allegany County | 710 | 198 | $76k | $159k |
| 21528 | Eckhart Mines | Allegany County | PO Box or unique | – | – | – |
| 21529 | Ellerslie | Allegany County | 514 | 557 | $37k | $163k |
| 21530 | Flintstone | Allegany County | 1,404 | 23 | $64k | $202k |
| 21531 | Friendsville | Garrett County | 2,487 | 41 | $64k | $180k |
| 21532 | Frostburg | Allegany County | 13,647 | 184 | $64k | $182k |
| 21536 | Grantsville | Garrett County | 3,833 | 39 | $64k | $201k |
| 21538 | Kitzmiller | Garrett County | 678 | 38 | $61k | – |
| 21539 | Lonaconing | Garrett County | 1,975 | 53 | $58k | $130k |
| 21540 | Luke | Allegany County | 89 | 333 | $81k | $51k |
| 21541 | McHenry | Garrett County | 1,335 | 58 | $83k | $343k |
| 21542 | Midland | Allegany County | 84 | 3,818 | – | $103k |
| 21543 | Midlothian | Allegany County | 185 | 75 | – | $190k |
| 21545 | Mount Savage | Allegany County | 1,694 | 106 | $60k | $131k |
| 21550 | Oakland | Garrett County | 13,691 | 67 | $65k | $233k |
| 21555 | Oldtown | Allegany County | 1,470 | 15 | $53k | $198k |
| 21556 | Pinto | Allegany County | PO Box or unique | – | – | – |
| 21557 | Rawlings | Allegany County | 1,481 | 55 | $35k | $123k |
| 21560 | Spring Gap | Allegany County | 9 | 16 | – | – |
| 21561 | Swanton | Garrett County | 2,412 | 24 | $74k | $329k |
| 21562 | Westernport | Garrett County | 3,032 | 105 | $48k | $99k |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.