Maryland · Phone number directory

301 phone numbers & call reports

Received a call from a number starting with 301? Browse available reports below or look up the full number to check its complaint history.

Numbers with reports: 467
FTC complaints: 529
WhoseNum community reports: 0

Reports describe individual experiences, not a verdict on every 301 number. About our sources

Area code guide

301: Maryland

Area code 301 is a geographic telephone code assigned to Maryland. NANPA records its introduction in 1947. Its recorded overlay relationships connect it with 227, 240. Overlay codes share all or part of a numbering region.

State / territory: Maryland
In service since: 1947
Predominant time zone: Eastern
Local dialing within 301: 10 digits
Active overlay partners: 227, 240

Time zones and dialing patterns describe the numbering region. They do not establish a caller’s current time or location. Carrier dialing options can differ.

Rate centers in the 301 assignment data (63)

These are telephone rate-center labels from NANPA’s block assignments, not a list of every city or an exact coverage boundary.

Ashton236
Ashton238
Bittinger
Brandywine
Brunswick
Buckeystn
Clear Spg
Cumberland
Damascs236
Damascs240
Emmitsburg
Flintstone
Frederick
Friendsvl
Frostburg
Gaithersbg
Grantsvl
Hagerstown
Hancock
Highfield
Hughesvl
Indianhead
Keedysvl
Kitzmiller
La Plata
Laurel236
Laurel238
Leonardtn
Lonaconing
Lxtnpkgrml
Mccoole
Mechancsvl
Middletown
Mount Airy
Mt Savage
Myersville
Nanjemoy
New Market
Oakland
Poolesvl
Ridge
Smithsburg
Thurmont
Tompkinsvl
Waldorf
Walkersvl
Westernpt
Williamspt
Wshngtnzn2
Wshngtnzn3
Wshngtnzn4
Wshngtnzn5
Wshngtnzn6
Wsng236Z13
Wsng236Z14
Wsng236Z15
Wsng238Z13
Wsng238Z14
Wsng238Z15
Wsngtnzn10
Wsngtnzn11
Wsngtnzn12
Wsngtnzn16

Sources & retrieval dates

NANPA thousands-block assignments Retrieved Oct 18, 2026
NANPA area-code database field definitions Retrieved Oct 19, 2026
NANPA area-code database Retrieved Oct 19, 2026

Numbering facts are stored from the cited sources and updated when a new snapshot is imported. Regional context is separate from unverified call reports.

301 numbers with reports

Open a number to see its available reports and sources.

467 numbers

Ordered by available report and complaint counts. “Record updated” reflects a data update, not necessarily the date of a call.

Browse 301 phone prefixes

Explore exchanges with available reports in this area code.

Questions about 301 numbers

Where are 301 phone numbers from?

The 301 area code is associated with Maryland. This numbering information does not establish where a caller is currently located. Caller ID can be spoofed.

Is every call from 301 spam?

No. A shared prefix does not mean that the numbers belong to the same caller or that every call is unwanted. Reports and complaints are unverified. Check the full number and the details of the call before drawing a conclusion.

What if the number that called me is not listed?

This directory shows numbers with published WhoseNum reports or complaints in our available FTC snapshot. It is not a complete list of assigned numbers or all past calls. Use the lookup above to check an unlisted number and share your own experience from its number page.

What these reports cover

FTC counts come from our imported Do Not Call complaint snapshot, covering complaint filing dates from Sep 10, 2026 to Oct 15, 2026. This is a partial snapshot, not the FTC’s full complaint history. WhoseNum community counts include published reports submitted directly to this site. Neither source verifies who placed a call. Read the source and coverage notes.

301 phone numbers & call reports

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301: Maryland

301 numbers with reports

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Available reports at a glance

301: Maryland

Browse 301 phone prefixes

Questions about 301 numbers

What these reports cover