Regional postal directory
Maryland postal areas
- Place records
- 605
- Postal codes
- 605
- Named places
- 431
- Mapped records
- 605
- Shared codes
- 0
Localities
Allegany22 codes · 22 recordsAnne Arundel43 codes · 43 recordsBaltimore53 codes · 53 recordsBaltimore (city)39 codes · 39 recordsCalvert14 codes · 14 recordsCaroline11 codes · 11 recordsCarroll13 codes · 13 recordsCecil17 codes · 17 recordsCharles24 codes · 24 recordsDorchester16 codes · 16 recordsFrederick31 codes · 31 recordsGarrett9 codes · 9 recordsHarford21 codes · 21 recordsHoward22 codes · 22 recordsKent9 codes · 9 recordsMontgomery76 codes · 76 recordsPrince George's64 codes · 64 recordsQueen Anne's13 codes · 13 recordsSomerset11 codes · 11 recordsSt. Mary's29 codes · 29 recordsTalbot15 codes · 15 recordsWashington23 codes · 23 recordsWicomico18 codes · 18 recordsWorcester12 codes · 12 records
Source: GeoNames postal-code snapshot checked 2026-07-18. Postal data © GeoNames.org, CC BY 4.0. Accuracy codes belong to the source and are not a ZipCodeGlobe verification claim.