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Area Codes that cover ZIP Code 20855

ROCKVILLE, DERWOOD, MD

ZIP Code 20855 Details

Zip Code:20855 Population:14,295
Area Code:240  |  301Households per Zip Code:4,889
City:DERWOODAverage House Value: $504,500
State:MDAvg. Income Per Household:$134,776
County:MONTGOMERYPersons Per Household2.91
Latitude:39.14107White Population:9,977
Longitude:-77.138008Black Population:1,284
Elevation:454Hispanic Population:1,473
City Alias(es):ROCKVILLE
DERWOOD
Number of Businesses:492
MSA:8872
MSA Name:Washington-Baltimore, DC-MD-VA-WV CMSA
PMSA:8840

 

AreaCodes & Prefixes for ZIP Code 20855

Area Code Prefix Zip Count ZIP Freq Type Company Rate Center
240 268 14402 -2 LANDLINE ALLEGIANCE TELECOM, INC. - MD WSNGTNZN10
240 276 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
240 328 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
240 403 14402 -2 LANDLINE CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD WSNGTNZN10
240 406 14402 -2 WIRELESS NEW CINGULAR WIRELESS PCS, LLC - DC WSNGTNZN10
240 408 14402 -2 WIRELESS NEW CINGULAR WIRELESS PCS, LLC - DC WSNGTNZN10
240 428 14402 -2 LANDLINE BANDWIDTH.COM CLEC, LLC - MD WSNGTNZN10
240 499 14402 -2 LANDLINE US LEC OF MARYLAND, INC. WSNGTNZN10
240 550 14402 -2 WIRELESS NEW CINGULAR WIRELESS PCS, LLC - DC WSNGTNZN10
240 551 14402 -2 WIRELESS NEW CINGULAR WIRELESS PCS, LLC - DC WSNGTNZN10
240 552 14402 -2 WIRELESS NEW CINGULAR WIRELESS PCS, LLC - DC WSNGTNZN10
240 567 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
240 599 14402 -2 LANDLINE BROADWING COMMUNICATIONS. LLC - MD WSNGTNZN10
240 614 14402 -2 WIRELESS METRO PCS, INC. WSNGTNZN10
240 618 14402 -2 WIRELESS CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD WSNGTNZN10
240 620 14402 -2 LANDLINE MCIMETRO ACCESS TRANSMISSION SERVICES LLC WSNGTNZN10
240 660 14402 -2 WIRELESS CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD WSNGTNZN10
240 672 14402 -2 LANDLINE CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD WSNGTNZN10
240 715 14402 -2 LANDLINE GLOBAL CROSSING LOCAL SERVICES, INC.-MD WSNGTNZN10
240 826 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
240 864 14402 -2 LANDLINE CAVALIER EAST LLC - MD WSNGTNZN10
240 907 14402 -2 WIRELESS CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD WSNGTNZN10
301 284 14402 -2 LANDLINE MCIMETRO ACCESS TRANSMISSION SERVICES LLC WSNGTNZN10
301 296 14402 -2 LANDLINE MCIMETRO ACCESS TRANSMISSION SERVICES LLC WSNGTNZN10
301 339 14402 -2 LANDLINE CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD WSNGTNZN10
301 354 14402 -2 LANDLINE TELEPORT COMMUNICATIONS AMERICA, LLC - DC WSNGTNZN10
301 398 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
301 545 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
301 605 14402 -2 LANDLINE VERIZON MARYLAND, INC. WSNGTNZN10
301 637 14402 -2 LANDLINE LEVEL 3 COMMUNICATIONS, LLC - MD WSNGTNZN10
301 825 14402 -2 LANDLINE AT&T LOCAL WSNGTNZN10
 
Indicates an Inactive NPANXX.

 

ZIP Code 20855 Carrier Route Street Map

20855 ZIP Code Carrier Route Street Map

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