Area code 301
Area code 301 is registered to Frederick, MD.
- Registered region
- Frederick, MD
- State / province
- Maryland
- Country
- United States
- Timezone
- Eastern Time
- Local time
- —
Registration metadata only — this is the number's registered rate-center region, never a live location or an identity.
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About area code 301
One of the 86 original area codes, created in 1947 when the North American Numbering Plan began.
Common questions
- Which country is area code 301?
- 301 is a US area code, registered to Frederick, MD. How +1 numbers work
- What time zone is area code 301 in?
- Eastern Time (America/New_York). The current local time is shown above.
- Who is calling me from a 301 number?
- An area code only shows where a number was registered, not who is calling or where they are — calling apps let anyone use a 301 number from anywhere. Before you call back, check the number's carrier, line type and spam risk.