About ZIP Code 21918

ZIP code 21918 is assigned to Conowingo, Cecil County, Maryland, United States. It falls in the Eastern Time (ET) zone. The estimated population of this ZIP code area is 4,169 with a density of 91.6 people per square mile.

🔍 Looking for another ZIP code? Browse all US ZIP codes →

Location Details

ZIP Code21918
CityConowingo
CountyCecil County
CountryUnited States
TimezoneEastern Time (ET)
Timezone IDAmerica/New_York
Latitude39.6833
Longitude-76.1666
ZIP TypeStandard ZIP

Post Office

Address305 CONOWINGO RD
CityCONOWINGO
StateMD

Nearby ZIP Codes in Maryland

Frequently Asked Questions

What city is ZIP code 21918 in?

ZIP code 21918 is in Conowingo, Cecil County, Maryland, United States.

What county is ZIP code 21918 in?

ZIP code 21918 is in Cecil County, Maryland.

What timezone is ZIP code 21918 in?

ZIP code 21918 is in the Eastern Time (ET) zone (America/New_York).

What is the population of ZIP code 21918?

The estimated population of ZIP code 21918 is 4,169 people with a density of 91.6 people per square mile.

What state is ZIP code 21918 in?

ZIP code 21918 is in Maryland (MD), United States.

📋 Data Source: United States Postal Service (USPS) & US Census Bureau (ZCTA data) · Public domain government data. For official ZIP code information visit tools.usps.com. Data is periodically updated but may not reflect the most recent changes.