| City: | Templeville, Maryland |
| County: | Caroline County |
| Timezone: | Eastern (GMT -05:00) |
| Local Time: | 2:25:23 AM |
| Population: | No Population Data |
| Area Codes: | 410 / 667 |
| Classification: | PO Box |
| Coordinates: | 39.1364, -75.7666 |
| Quick Link: |
Templeville is a rural crossroads in Caroline County, Maryland, near the Delaware border. The post office serves as a tiny PO Box Only Zone with just 5 boxes. There's no street delivery from this ZIP. Mail for the surrounding area routes through ZIP 21649, which encloses this point location.
The post office sits on Barclay Road, the only street in the ZIP+4 records. General Delivery is available for those passing through. With 3 business delivery points and 6 total residential addresses, this is one of the smallest active post offices in Maryland. Rural carrier routes serve the surrounding farmland, but the Templeville ZIP itself exists mainly as a legacy postal designation for residents who've long had their PO Box here.
Single rural road where the post office is located.
ZIP Code 21670 is designated for PO Box delivery only; business establishment and employment data are not available.
| # Residential Mailboxes: | 0Source: USPS |
| # Business Mailboxes: | 0Source: USPS |
| Total Delivery Receptacles: | 8Source: USPS |
| Single Family Delivery Units: | 0Source: USPS |
| Multi Family Delivery Units: | 0Source: USPS |
| # of Businesses: | 0Source: CBP |
| 1st Quarter Payroll: | $0Source: CBP |
| Annual Payroll: | $0Source: CBP |
| # of Employees: | 0Source: CBP |
ZIP Code 21670 is located in Caroline County, Maryland, within the Metropolitan Statistical Area (CBSA ) and Maryland's 1st Congressional District. This area has a population of 0 people, about 0.00% of whom live in ZIP Code 21670. It covers 0 sq mi of land and a water area of 0 sq mi.
| CBSA Name: | --Source: Census |
| CBSA Number: | --Source: Census |
| CBSA Type: | --Source: Census |
| CBSA Division: | --Source: Census |
| CBSA Population: | 0Source: Census |
| MSA: | Source: Census |
| Land Area: | --Source: Census |
| Water Area: | --Source: Census |
| Congressional District: | 01Source: USPS |
| Congressional Land Area: | 3977.06 sq miSource: Census |
| PMSA: | Source: Census |
| Intro Date: | < 2004-10Source: ZIP-Codes.com |
| Place FIPS Code: | 2477200Source: Census |
| Place Name: | Templeville town; MarylandSource: Census |
We could not locate which school district 21670 belongs to, but we will update this once new district data is released. There are no public schools nor private schools with a mailing address in this ZIP Code. Listing Nearby schools instead. It also has 6 colleges, universities or post secondary education institutions nearby which would be a short commute to.
Our sources include trusted federal and licensed data from the United States Postal Service, U.S. Census Bureau, U.S. Geological Survey, Centers for Medicare & Medicaid Services, and the National Center for Education Statistics, along with proprietary datasets created by ZIP-Codes.com. Data last updated on January 1, 2026.