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301 Area Code 🌍☎️

Area Code Profile · Maryland

The 301 area code is located in the state of Maryland and covers 314 cities, serving a total population of approximately 2,372,890. Major cities covered by the 301 area code include Columbia, Germantown, Silver Spring, Waldorf, Frederick (which represents the most populated areas). There are a total of 784 telephone prefix exchanges in this area code, which support an estimated 7,840,000 active or assignable phone numbers. These prefix lines are operated by 34 distinct carriers, with Germantown as the primary rate center location.

Eastern Time314 Cities784 Prefixes

Reverse Phone Lookup in Germantown, Maryland

Unmask unknown callers, verify telemarketing reports, and view detailed owner information for any phone number beginning with area code (301).

How it works

1

Enter Number

Provide any 10-digit phone number starting with the (301) area code.

2

Database Search

Our system scans public registries, carrier mappings, and spam reports.

3

Reveal Report

Access location details, line type, carrier, owner information, and safety levels.

Neighborhood Demographics

Calculated demographics and census summary estimations for area code 301.

45.5 y/oMedian Age
$74,000Median Income
$185,000Median Home Value
2,372,890Total Population

Telemarketer Complaints

Most recent complaints and comments for phone numbers beginning with 301.

Did you receive an unwanted call from a (301) phone number?

Help the community identify spammers by filing a comment.

(301) 648-6553May 17, 2026Robocall
Received a silent call. When I answered, there was just dead air for 5 seconds before it automatically disconnected. Likely an automated system testing for active numbers.
See Details
(301) 661-6570May 16, 2026Telemarketer
Offered an unsolicited quote for local roofing and home energy services. They knew my area code but when I asked how they got my number, they hung up immediately.
See Details
(301) 674-6587May 20, 2026Debt Collector
Automated voice caller looking for someone named David. Keeps calling repeatedly asking to settle a debt. I have had this number for years and don't know David.
See Details
(301) 687-6604May 19, 2026Political
Pre-recorded campaign call promoting a local candidate. Did not respect my request to be placed on the Do Not Call list.
See Details

Cities in the 301 Area Code

The most populous cities in area code 301 are: Columbia (99,615), Germantown (86,395), Silver Spring (71,452), Waldorf (67,752), and Frederick (65,239).

Other cities in the 301 area code include:

Rockville, Bethesda, Gaithersburg, Bowie, Aspen Hill, Wheaton, Potomac, North Bethesda, Hagerstown, Clinton, Olney, Chillum, Montgomery Village, College Park, South Laurel, Suitland, Laurel, North Potomac, Scaggsville, Fort Washington, Fairland, Landover, Greenbelt, Cumberland, Camp Springs.

CityPopulation% in Area Code
Columbia99,6157%
Germantown86,395100%
Silver Spring71,452100%
Waldorf67,752100%
Frederick65,239100%
Rockville61,209100%
Bethesda60,858100%
Gaithersburg59,933100%
Bowie54,727100%
Aspen Hill48,759100%
Wheaton48,284100%
Potomac44,965100%
North Bethesda43,828100%
Hagerstown39,662100%
Clinton35,970100%
Olney33,844100%
Chillum33,513100%
Montgomery Village32,032100%
College Park30,413100%
South Laurel26,112100%

Showing top 20 of 314 cities.

What Time Zone is Area Code 301?

Eastern Time Zone

Abbreviation: ET · UTC Offset: UTC-5

The 301 area code lies within the Eastern Time Zone (ET, UTC-5).

Nearby Area Codes

227Germantown, Maryland240Germantown, Maryland410Baltimore, Maryland443Baltimore, Maryland667Baltimore, Maryland

Phone Prefixes in the 301 Area Code

784 prefixes found · 34 carriers · 64 rate centers

PrefixCarrierRate Center
(301) 200BANDWIDTH.COM CLEC, LLC - MDINDIANHEAD
(301) 201NEW CINGULAR WIRELESS PCS, LLC - DCWSNGTNZN10
(301) 202NEW CINGULAR WIRELESS PCS, LLC - DCWSHNGTNZN2
(301) 203VERIZON MARYLAND, INC.WSHNGTNZN6
(301) 204NEW CINGULAR WIRELESS PCS, LLC - DCWSHNGTNZN2
(301) 205VERIZON MARYLAND, INC.WSNG238Z14
(301) 206VERIZON MARYLAND, INC.WSNG236Z13
(301) 207USA MOBILITY WIRELESS, INC.WSNG236Z13
(301) 208VERIZON MARYLAND, INC.GAITHERSBG
(301) 209VERIZON MARYLAND, INC.WSHNGTNZN4
(301) 210VERIZON MARYLAND, INC.LAUREL236
(301) 212VERIZON MARYLAND, INC.WSNGTNZN10
(301) 213OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSHNGTNZN3
(301) 214VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 215VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 216VERIZON MARYLAND, INC.GAITHERSBG
(301) 217VERIZON MARYLAND, INC.WSNGTNZN10
(301) 218VERIZON MARYLAND, INC.WSNG236Z14
(301) 219NEW CINGULAR WIRELESS PCS, LLC - DCWSHNGTNZN2
(301) 220VERIZON MARYLAND, INC.WSNG236Z13
(301) 221NEW CINGULAR WIRELESS PCS, LLC - DCWSHNGTNZN2
(301) 222CAVALIER TELEPHONE MID-ATLANTIC, LLC - MDWSHNGTNZN2
(301) 223VERIZON MARYLAND, INC.WILLIAMSPT
(301) 224USA MOBILITY WIRELESS, INC.WSHNGTNZN2
(301) 225TELEPORT COMMUNICATIONS AMERICA, LLC - DCWSNG236Z14
(301) 226VERIZON MARYLAND, INC.WSHNGTNZN4
(301) 227VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 228VERIZON MARYLAND, INC.FREDERICK
(301) 229VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 230VERIZON MARYLAND, INC.WSNGTNZN11
(301) 231VERIZON MARYLAND, INC.WSNGTNZN11
(301) 232MCIMETRO ACCESS TRANSMISSION SERVICES LLCASHTON236
(301) 233CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDWSHNGTNZN3
(301) 234VERIZON MARYLAND, INC.WSNGTNZN16
(301) 235MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNGTNZN16
(301) 236VERIZON MARYLAND, INC.WSNGTNZN12
(301) 237OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSHNGTNZN3
(301) 238VERIZON MARYLAND, INC.WSNGTNZN16
(301) 239VERIZON MARYLAND, INC.WSHNGTNZN4
(301) 240VERIZON MARYLAND, INC.WSNGTNZN10
(301) 241VERIZON MARYLAND, INC.HIGHFIELD
(301) 242MCIMETRO ACCESS TRANSMISSION SERVICES LLCBRANDYWINE
(301) 243VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 244PAETEC COMMUNICATIONS, INC. - MDWSHNGTNZN3
(301) 245VERIZON MARYLAND, INC.BITTINGER
(301) 246VERIZON MARYLAND, INC.NANJEMOY
(301) 247NEW CINGULAR WIRELESS PCS, LLC - DCLEONARDTN
(301) 248VERIZON MARYLAND, INC.WSHNGTNZN6
(301) 249VERIZON MARYLAND, INC.WSNG236Z14
(301) 250MCIMETRO ACCESS TRANSMISSION SERVICES LLCGAITHERSBG
(301) 251VERIZON MARYLAND, INC.WSNGTNZN10
(301) 252METROPCS, INC.GAITHERSBG
(301) 253VERIZON MARYLAND, INC.DAMASCS236
(301) 254OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSHNGTNZN3
(301) 255VERIZON MARYLAND, INC.WSNGTNZN11
(301) 256MCIMETRO ACCESS TRANSMISSION SERVICES LLCLAUREL236
(301) 257OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSHNGTNZN3
(301) 258VERIZON MARYLAND, INC.WSNGTNZN10
(301) 259VERIZON MARYLAND, INC.TOMPKINSVL
(301) 260VERIZON MARYLAND, INC.ASHTON236
(301) 261VERIZON MARYLAND, INC.WSNG238Z14
(301) 262VERIZON MARYLAND, INC.WSNG236Z14
(301) 263VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 264VERIZON MARYLAND, INC.MT SAVAGE
(301) 265VERIZON MARYLAND, INC.WSHNGTNZN6
(301) 266NEW CINGULAR WIRELESS PCS, LLC - DCWALDORF
(301) 267OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLCWSHNGTNZN3
(301) 268USCOC OF CUMBERLAND, INC. DBA UNITED STATES CEL MDCUMBERLAND
(301) 269MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN2
(301) 270VERIZON MARYLAND, INC.WSHNGTNZN3
(301) 271VERIZON MARYLAND, INC.THURMONT
(301) 272MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN2
(301) 273MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN3
(301) 274VERIZON MARYLAND, INC.HUGHESVL
(301) 275NEW CINGULAR WIRELESS PCS, LLC - DCWSHNGTNZN2
(301) 276MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN4
(301) 277VERIZON MARYLAND, INC.WSHNGTNZN4
(301) 278MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN5
(301) 279VERIZON MARYLAND, INC.WSNGTNZN10
(301) 280VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 281MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSHNGTNZN6
(301) 282VERIZON MARYLAND, INC.WSNGTNZN12
(301) 283VERIZON MARYLAND, INC.WSHNGTNZN6
(301) 284MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNGTNZN10
(301) 285VERIZON MARYLAND, INC.WSHNGTNZN3
(301) 286VERIZON MARYLAND, INC.WSNG236Z13
(301) 287MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNGTNZN11
(301) 288MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNGTNZN12
(301) 289MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNG236Z13
(301) 290VERIZON MARYLAND, INC.MECHANCSVL
(301) 291MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNG236Z14
(301) 292VERIZON MARYLAND, INC.WSHNGTNZN6
(301) 293VERIZON MARYLAND, INC.MYERSVILLE
(301) 294VERIZON MARYLAND, INC.WSNGTNZN10
(301) 295VERIZON MARYLAND, INC.WSHNGTNZN2
(301) 296MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNGTNZN10
(301) 297VERIZON MARYLAND, INC.WSNGTNZN16
(301) 298MCIMETRO ACCESS TRANSMISSION SERVICES LLCWSNG236Z15
(301) 299VERIZON MARYLAND, INC.WSNGTNZN10
(301) 300CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MDWSHNGTNZN2

Showing first 100 of 784 prefixes.

Frequently Asked Questions

Where is area code 301?
Area code 301 is located in Maryland, covering cities including Columbia, Germantown, Silver Spring.
What time zone is area code 301?
Area code 301 is in the Eastern Time Zone (ET, UTC-5).
What state is area code 301?
Area code 301 is in Maryland.