First three digits · Maryland
ZIP Codes Starting with
68 ZIP codes start with 206, sorted at the Southern, MD (SCF 207) sectional center (USPS labeling list L005, effective October 1, 2026) in Maryland: 61 residential ZIP codes across 4 counties and 7 PO Box or single-organization codes (Census 2020 ZCTAs and GeoNames postal codes, October 2026).
What do the digits 206 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, 206, route mail to a sectional center: USPS labeling list L005 (effective October 1, 2026) sends letters for 206 to the Southern, MD (SCF 207) facility. The last two digits pick the delivery area. By residents, the largest town names among the 206 ZIP codes are Waldorf, Lexington Park, Mechanicsville, La Plata, Lusby and Brandywine.
The same facility sorts 2 prefixes, 147 ZIP codes in all: 206, 207.
Where are the 206 ZIP codes?
Source: U.S. Census Bureau, 2020 ZCTA cartographic boundaries; ACS 2020-2024 5-year estimates (B19013).
All ZIP codes starting with 206
| County | ||||||
|---|---|---|---|---|---|---|
| 20601 | Waldorf | Charles County | 26,945 | 563 | $118k | $402k |
| 20602 | Waldorf | Charles County | 28,331 | 1,958 | $107k | $377k |
| 20603 | Waldorf | Charles County | 31,844 | 1,966 | $138k | $454k |
| 20604 | Waldorf | Charles County | PO Box or unique | – | – | – |
| 20606 | Abell | St. Mary's County | 291 | 320 | $88k | $451k |
| 20607 | Accokeek | Prince George's County | 13,750 | 700 | $151k | $559k |
| 20608 | Aquasco | Prince George's County | 693 | 39 | $82k | $400k |
| 20609 | Avenue | St. Mary's County | 714 | 71 | $118k | $568k |
| 20610 | Barstow | Calvert County | PO Box or unique | – | – | – |
| 20611 | Bel Alton | Charles County | 1,219 | 147 | $152k | $461k |
| 20612 | Benedict | Charles County | 148 | 635 | $41k | – |
| 20613 | Brandywine | Prince George's County | 17,590 | 243 | $151k | $530k |
| 20615 | Broomes Island | Calvert County | 460 | 633 | – | $390k |
| 20616 | Bryans Road | Charles County | 8,057 | 831 | $128k | $387k |
| 20617 | Bryantown | Charles County | 334 | 56 | $104k | $502k |
| 20618 | Bushwood | St. Mary's County | 1,705 | 225 | $106k | $355k |
| 20619 | California | St. Mary's County | 14,212 | 885 | $119k | $377k |
| 20620 | Callaway | St. Mary's County | 1,115 | 260 | $166k | $391k |
| 20621 | Chaptico | St. Mary's County | 958 | 69 | – | $481k |
| 20622 | Charlotte Hall | Charles County | 5,185 | 142 | $124k | $439k |
| 20623 | Cheltenham | Prince George's County | 2,761 | 1,439 | $146k | $495k |
| 20624 | Clements | St. Mary's County | 796 | 77 | $105k | $431k |
| 20625 | Cobb Island | Charles County | 849 | 1,736 | – | $245k |
| 20626 | Coltons Point | St. Mary's County | 284 | 186 | – | – |
| 20627 | Compton | St. Mary's County | PO Box or unique | – | – | – |
| 20628 | Dameron | St. Mary's County | 503 | 78 | – | $546k |
| 20629 | Dowell | Calvert County | 1,150 | 1,371 | $87k | $403k |
| 20630 | Drayden | St. Mary's County | 559 | 81 | $233k | $618k |
| 20632 | Faulkner | Charles County | 485 | 74 | – | $475k |
| 20634 | Great Mills | St. Mary's County | 7,088 | 1,014 | $139k | $342k |
| 20635 | Helen | St. Mary's County | PO Box or unique | – | – | – |
| 20636 | Hollywood | St. Mary's County | 10,486 | 305 | $164k | $474k |
| 20637 | Hughesville | Charles County | 6,133 | 187 | $160k | $555k |
| 20639 | Huntingtown | Calvert County | 15,544 | 374 | $161k | $555k |
| 20640 | Indian Head | Charles County | 10,685 | 256 | $101k | $325k |
| 20643 | Ironsides | Charles County | PO Box or unique | – | – | – |
| 20645 | Issue | Charles County | 814 | 591 | $191k | $532k |
| 20646 | La Plata | Charles County | 21,400 | 268 | $132k | $450k |
| 20650 | Leonardtown | St. Mary's County | 16,094 | 262 | $143k | $482k |
| 20653 | Lexington Park | St. Mary's County | 26,852 | 809 | $103k | $353k |
| 20656 | Loveville | St. Mary's County | 87 | 151 | – | – |
| 20657 | Lusby | Calvert County | 20,699 | 693 | $116k | $334k |
| 20658 | Marbury | Charles County | 866 | 198 | $104k | $340k |
| 20659 | Mechanicsville | St. Mary's County | 24,324 | 251 | $122k | $417k |
| 20660 | Morganza | St. Mary's County | 14 | 15 | – | – |
| 20661 | Mount Victoria | Charles County | no residents | 0 | – | – |
| 20662 | Nanjemoy | Charles County | 2,129 | 38 | $87k | $397k |
| 20664 | Newburg | Charles County | 3,138 | 77 | $88k | $476k |
| 20667 | Park Hall | St. Mary's County | 150 | 63 | – | – |
| 20670 | Patuxent River | St. Mary's County | 2,046 | 219 | $70k | – |
| 20674 | Piney Point | St. Mary's County | 769 | 421 | $172k | $592k |
| 20675 | Pomfret | Charles County | 1,796 | 252 | $127k | $484k |
| 20676 | Port Republic | Calvert County | 3,218 | 223 | $157k | $510k |
| 20677 | Port Tobacco | Charles County | 2,088 | 133 | $166k | $577k |
| 20678 | Prince Frederick | Calvert County | 12,752 | 284 | $126k | $455k |
| 20680 | Ridge | St. Mary's County | 663 | 84 | – | $398k |
| 20682 | Rock Point | Charles County | PO Box or unique | – | – | – |
| 20684 | Saint Inigoes | St. Mary's County | 802 | 96 | $180k | $361k |
| 20685 | Saint Leonard | Calvert County | 6,866 | 300 | $119k | $450k |
| 20686 | Saint Marys City | St. Mary's County | 971 | 3,583 | – | – |
| 20687 | Scotland | St. Mary's County | 415 | 83 | – | $458k |
| 20688 | Solomons | Calvert County | 1,290 | 1,120 | $103k | $619k |
| 20689 | Sunderland | Calvert County | 1,809 | 235 | $162k | $491k |
| 20690 | Tall Timbers | St. Mary's County | 1,077 | 654 | $123k | $380k |
| 20692 | Valley Lee | St. Mary's County | 505 | 70 | $201k | $468k |
| 20693 | Welcome | Charles County | 1,496 | 74 | $126k | $375k |
| 20695 | White Plains | Charles County | 16,407 | 1,140 | $142k | $471k |
| 20697 | Southern Md Facility | Prince George's County | PO Box or unique | – | – | – |
Source: U.S. Census Bureau, ACS 2020-2024 5-year estimates; GeoNames postal codes (CC BY 4.0) for codes without a residential area.