Prefix — 301-339

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Phone numbers that start with the 301-339 prefix are normally located in Bethesda in Maryland, zip code 20817. 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 301-339-XXXX phone numbers are like.

Rate center(s): WSNGTNZN10

Company(ies): CAVALIER TELEPHONE MID-ATLANTIC, LLC, OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC, PAETEC COMMUNICATIONS, INC.

Information for this County

Name: MONTGOMERY
Seat: ROCKVILLE
Time Zone: 5
Area: 495 sq. miles
Population: 873,341
Average people per household: 3
Number of households: 324,565
Estimated white population: 495
Estimated black population: 565,719
Estimated hispanic population: 132,256

Information for this Zip Code

Zip code: 20817
Residential addresses: 13,677
Business addresses: 580
Average household income: $113,788
Average house value: $386,100
Average per capita income: $60,593

View area code information for 301

All phone numbers starting with 301-339:

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