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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) 319

CityBaltimore
CountyBaltimore City
CarrierCellco Partnership Dba Verizon Wireless - Md
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Landline

(240) 320

CityWashington
CountyDistrict of Columbia
CarrierCavalier East Llc - Md
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Landline

(240) 321

CityCumberland
CountyAllegany
CarrierUscoc Of Cumberland Inc. Dba United States Cel Md
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Landline

(240) 324

CityBaltimore
CountyBaltimore City
CarrierYmax Communications Corp. - Md
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Landline

(240) 325

CityChevy Chase
CountyMontgomery
CarrierCore Communications Inc. - Md
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Landline

(240) 326

CityHerndon
CountyFairfax
CarrierCavalier Telephone Mid-atlantic Llc - Md
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Landline

(240) 327

CityChevy Chase
CountyMontgomery
CarrierCore Communications Inc. - Md
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Landline

(240) 329

CityFrederick
CountyFrederick
CarrierLevel 3 Communications Llc - Md
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