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Area Code Lookup

Area Code 240 Phone Lookup

Maryland, United States. Explore phone prefixes, caller activity, exchange details, and community reports connected to this area code.

517prefix records
44lookup pages
240area code

Phone Prefixes in This Area Code

Each prefix groups related phone numbers by exchange, location, carrier, and line type.

Wireless

(240) 291

CityMonrovia
CountyFrederick
CarrierNew Cingular Wireless Pcs Llc - Dc
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Landline

(240) 295

CityHerndon
CountyFairfax
CarrierCavalier Telephone Mid-atlantic Llc - Md
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Landline

(240) 296

CityHerndon
CountyFairfax
CarrierCavalier Telephone Mid-atlantic Llc - Md
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Wireless

(240) 298

CityWashington
CountyDistrict of Columbia
CarrierCellco Partnership Dba Verizon Wireless - Md
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Wireless

(240) 300

CityWashington
CountyDistrict of Columbia
CarrierCellco Partnership Dba Verizon Wireless - Md
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Landline

(240) 303

CityHerndon
CountyFairfax
CarrierCavalier Telephone Mid-atlantic Llc - Md
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Wireless

(240) 304

CitySilver Spring
CountyMontgomery
CarrierSprint Spectrum L.p. - Md
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