Prefix — 240-369

Enter the phone number below for more information

Phone numbers that start with the 240-369 prefix are normally located in Mount Airy in Maryland, zip code 21771. Below we've included some detailed information about this area including population size, demographics and household wealth to give you a sense of what the neighborhoods with 240-369-XXXX phone numbers are like.

Rate center(s): MOUNT AIRY

Company(ies): CORE COMMUNICATIONS, INC.

Information for this County

Name: FREDERICK
Seat: FREDERICK
Time Zone: 5
Area: 663 sq. miles
Population: 195,277
Average people per household: 3
Number of households: 70,060
Estimated white population: 663
Estimated black population: 174,432
Estimated hispanic population: 12,429

Information for this Zip Code

Zip code: 21771
Residential addresses: 10,224
Business addresses: 422
Average household income: $76,147
Average house value: $196,600
Average per capita income: $28,590

View area code information for 240

All phone numbers starting with 240-369:

Get started
right now