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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.

Landline

(240) 369

CityMount Airy
CountyFrederick
CarrierCore Communications Inc. - Md
View Prefix
Wireless

(240) 375

CitySilver Spring
CountyMontgomery
CarrierSprint Spectrum L.p. - Md
View Prefix