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Area Code 240

Where does the 240 area code belong?

STATE
Maryland
TIME ZONE
Eastern Time
MAJOR CITY
Gaithersburg

The 240 Area Code (or Area Code 240) is located in the state of MD. Area Code 240 is one of the 269 3-digit telephone area codes in the USA. It covers roughly 765 thousand unique phone numbers and 1.62 million individuals near the city of Bethesda

Area Code 240 History

Area code 240 was put into service. Area code 240 is an overlay of area code 301.

Following cities also use area code 240:

Adamstown, Ashton, Baltimore, Beltsville, Bethesda, Brandywine, Cabin John, Callaway, Capitol Heights, Chevy Chase, Clarksville, Clinton, College Park, Columbia, Crofton, Cumberland, Damascus, Emmitsburg, Frederick, Frostburg, Gaithersburg, Glenn Dale, Grantsville, Greenbelt, Hagerstown, Hancock, Highfield, Hughesville, Hyattsville, Ijamsville, Indian Head, Kensington, La Plata, Laurel, Leonardtown, Lexington Park, Mccoole, Mechanicsville, Middletown, Mount Airy, Mount Rainier, Myersville, Nanjemoy, Newburg, Oakland, Odenton, Oxon Hill, Poolesville, Ridge, Rockville, Sandy Spring, Silver Spring, Smithsburg, Tall Timbers, Temple Hills, Thurmont, Upper Marlboro, Waldorf, Williamsport.

ZIP codes in Area Code 240:

20588 (Dhs)
20601 (Waldorf)
20602 (Waldorf)
20603 (Waldorf)
20604 (Waldorf)
20610 (Barstow)
20611 (Bel Alton)
20612 (Benedict)
20615 (Broomes Island)
20616 (Bryans Road)

Big city in area code 240

Silver Spring

COUNTY
Montgomery
POPULATION
291,576
Gaithersburg

COUNTY
Montgomery
POPULATION
139,916
Rockville

COUNTY
Montgomery
POPULATION
134,991
Source: WorldAtlas.com
NUMBER OF PREFIXES
645
NUMBER OF CELLPHONES
383,737
NUMBER OF LAND LINES
172,793
MEDIAN HOME VALUE
$1.87M
MEDIAN INCOME
$229K
Source: WorldAtlas.com

Browse Area Code (240) Prefixes

PREFIX COUNTY CITY CARRIER TYPE
240-600 Montgomery Mount Rainier Sprint Spectrum L.p. Wireless
240-601 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-602 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-603 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-604 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-605 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-606 Montgomery Beltsville Sprint Spectrum L.p. Wireless
240-607 Charles Waldorf Global Crossing Local Services, Inc.-Md Landline
240-608 Frederick Frederick 365 Wireless, Llc Wireless
240-612 Prince Georges Mount Rainier Level 3 Telecom Of Maryland, Llc - MD Landline
240-613 Not available. Hyattsville Us Lec Of Maryland, Inc. Landline
240-615 Prince Georges Hyattsville Metro Pcs, Inc. Wireless
240-616 Fairfax College Park Mci Worldcom Communications, Inc. - MD Landline
240-618 Montgomery Washington Zone 10 Cellco Partnership Dba Verizon Wireless - MD Wireless
240-619 Montgomery Chevy Chase Mci Worldcom Communications, Inc. - MD Landline
240-620 Montgomery Rockville Mci Worldcom Communications, Inc. - MD Landline
240-621 Anne Arundel Kensington Mci Worldcom Communications, Inc. - MD Landline
240-624 Prince Georges Greenbelt Verizon Maryland, Inc. Landline
240-625 Washington Hagerstown Sprint Spectrum L.p. Wireless
240-626 Frederick Frederick Sprint Spectrum L.p. Wireless
240-627 Montgomery Mount Rainier Global Crossing Local Services, Inc.-Md Landline
240-629 Frederick Frederick Verizon Maryland, Inc. Landline
240-630 Montgomery Mount Rainier Bandwidth.com Clec, Llc - MD Landline
240-631 Montgomery Gaithersburg Verizon Maryland, Inc. Landline
240-632 Montgomery Gaithersburg Verizon Maryland, Inc. Landline
240-638 Montgomery Mount Rainier Broadwing Communications. Llc - MD Landline
240-640 Charles Waldorf New Cingular Wireless Pcs, Llc - DC Wireless
240-642 Not available. Not available.
240-643 Montgomery Silver Spring Omnipoint Communications Cap Operations, Llc Wireless
240-644 Montgomery Chevy Chase Xo Maryland, Llc Landline
240-645 Montgomery Chevy Chase Xo Maryland, Llc Landline
240-646 District of Columbia Laurel Cavalier East Llc - MD Landline
240-650 Montgomery Cabin John Broadvox-Clec, Llc - MD Landline
240-651 Frederick Frederick Cellco Partnership Dba Verizon Wireless - MD Wireless
240-652 District of Columbia Mechanicsville Xo Maryland, Llc Landline
240-654 Montgomery Gaithersburg New Cingular Wireless Pcs, Llc - DC Wireless
240-662 Montgomery Silver Spring Verizon Maryland, Inc. Landline
240-667 Mount Rainier Global Crossing Local Services, Inc.-Md Landline
240-668 Montgomery Damascus Starpower Communications, Llc - MD Landline
240-669 Anne Arundel Kensington Comcast Phone Of Northern Maryland, Inc. - MD Landline
240-670 Montgomery Mount Rainier Local Access Llc - MD Landline
240-671 Montgomery Mount Rainier Sprint Spectrum L.p. Wireless
240-672 Montgomery Rockville Cellco Partnership Dba Verizon Wireless - MD Landline
240-674 Frederick Frederick Sprint Spectrum L.p. Wireless
240-675 Frederick Myersville New Cingular Wireless Pcs, Llc - DC Wireless
240-676 Montgomery Silver Spring Cellco Partnership Dba Verizon Wireless - MD Wireless
240-678 Montgomery Silver Spring Cellco Partnership Dba Verizon Wireless - MD Wireless
240-681 Not available. Not available. Atx Telecommunications Services, Ltd Landline
240-682 Charles Waldorf Starpower Communications, Llc - MD Landline
240-683 Montgomery Gaithersburg Verizon Maryland, Inc. Landline
240-684 Prince Georges Greenbelt Verizon Maryland, Inc. Landline
240-685 Brandywine Global Crossing Local Services, Inc.-Md Landline
240-686 Montgomery Gaithersburg Verizon Maryland, Inc. Landline
240-687 Montgomery Silver Spring Cellco Partnership Dba Verizon Wireless - MD Wireless
240-688 Montgomery Silver Spring Cellco Partnership Dba Verizon Wireless - MD Wireless
240-691 Prince Georges Mount Rainier Global Crossing Local Services, Inc.-Md Landline
240-694 Montgomery Rockville Verizon Maryland, Inc. Landline
240-695 Harford Temple Hills Verizon Maryland, Inc. Landline
240-696 Fairfax Hyattsville Level 3 Communications, Llc - MD Landline
240-699 Frederick Adamstown Verizon Maryland, Inc. Landline
240-701 Montgomery Silver Spring New Cingular Wireless Pcs, Llc - DC Wireless
240-704 Montgomery Mount Rainier New Cingular Wireless Pcs, Llc - DC Wireless
240-705 Montgomery Chevy Chase New Cingular Wireless Pcs, Llc - DC Wireless
240-706 Montgomery Chevy Chase New Cingular Wireless Pcs, Llc - DC Wireless
240-707 Washington Hagerstown New Cingular Wireless Pcs, Llc - DC Wireless
240-708 Howard Columbia Level 3 Communications, Llc - MD Wireless
240-712 Howard Columbia Cellco Partnership Dba Verizon Wireless - MD Wireless
240-713 Prince Georges Laurel Peerless Network Of Maryland, Llc Landline
240-715 Montgomery Rockville Global Crossing Local Services, Inc.-Md Landline
240-718 District of Columbia Callaway Xo Maryland, Llc Landline
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Phone Numbers Starting With (240) Area Code

Phone Number
240-355-9571		 USAGE
Wireless		 City
Beltsville		 Operate
Read more about who called from 2403559571		 Update Time
Mar-20-2024
Phone Number
240-201-8513		 USAGE
Landline		 City
Ridge		 Operate
Read more about who called from 2402018513		 Update Time
Mar-20-2024
Phone Number
240-742-1839		 USAGE
Landline		 City
Ridge		 Operate
Read more about who called from 2407421839		 Update Time
Mar-20-2024
Phone Number
240-560-8704		 USAGE
Landline		 City
Chevy Chase		 Operate
Read more about who called from 2405608704		 Update Time
Mar-20-2024
Phone Number
240-201-6377		 USAGE
Landline		 City
Ridge		 Operate
Read more about who called from 2402016377		 Update Time
Mar-19-2024
Phone Number
240-532-9625		 USAGE
Landline		 City
Ridge		 Operate
Read more about who called from 2405329625		 Update Time
Mar-19-2024
Phone Number
240-392-4514		 USAGE
Landline		 City
Oxon Hill		 Operate
Read more about who called from 2403924514		 Update Time
Mar-19-2024
Phone Number
240-398-3338		 USAGE
Wireless		 City
Cabin John		 Operate
Read more about who called from 2403983338		 Update Time
Dec-27-2023
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