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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: | 227 | 240 | 301 | Households per Zip Code: | 4,889 |
| City: | DERWOOD | Average House Value: | $504,500 |
| State: | MD | Avg. Income Per Household: | $134,776 |
| County: | MONTGOMERY | Persons Per Household | 2.91 |
| Latitude: | 39.14107 | White Population: | 9,977 |
| Longitude: | -77.138008 | Black Population: | 1,284 |
| Elevation: | 454 | Hispanic 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 |
| 227 |
202 |
14295 |
-2 |
WIRELESS |
|
|
| 227 |
204 |
14295 |
-2 |
WIRELESS |
|
|
| 227 |
216 |
14295 |
-2 |
WIRELESS |
|
|
| 227 |
999 |
14295 |
-2 |
LANDLINE |
|
|
| 240 |
268 |
14295 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN10 |
| 240 |
276 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
328 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
386 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
399 |
14295 |
-2 |
LANDLINE |
XO MARYLAND, LLC |
WSNGTNZN10 |
| 240 |
403 |
14295 |
-2 |
LANDLINE |
CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
WSNGTNZN10 |
| 240 |
406 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 240 |
408 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 240 |
428 |
14295 |
-2 |
LANDLINE |
BANDWIDTH.COM CLEC, LLC - MD |
WSNGTNZN10 |
| 240 |
499 |
14295 |
-2 |
LANDLINE |
US LEC OF MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
550 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 240 |
551 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 240 |
552 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 240 |
567 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
614 |
14295 |
-2 |
WIRELESS |
METROPCS, INC. |
WSNGTNZN10 |
| 240 |
618 |
14295 |
-2 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSNGTNZN10 |
| 240 |
620 |
14295 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN10 |
| 240 |
660 |
14295 |
-2 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSNGTNZN10 |
| 240 |
672 |
14295 |
-2 |
LANDLINE |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSNGTNZN10 |
| 240 |
715 |
14295 |
-2 |
LANDLINE |
GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
WSNGTNZN10 |
| 240 |
728 |
14295 |
-2 |
LANDLINE |
VONAGE AMERICA LLC |
WSNGTNZN10 |
| 240 |
756 |
14295 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSNGTNZN10 |
| 240 |
796 |
14295 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSNGTNZN10 |
| 240 |
826 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 240 |
864 |
14295 |
-2 |
LANDLINE |
CAVALIER EAST, LLC - MD |
WSNGTNZN10 |
| 240 |
869 |
14295 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSNGTNZN10 |
| 240 |
889 |
14295 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSNGTNZN10 |
| 240 |
907 |
14295 |
-2 |
WIRELESS |
CELLCO PARTNERSHIP DBA VERIZON WIRELESS - MD |
WSNGTNZN10 |
| 240 |
921 |
14295 |
-2 |
WIRELESS |
OMNIPOINT COMMUNICATIONS CAP OPERATIONS, LLC |
WSNGTNZN10 |
| 240 |
987 |
14295 |
-2 |
WIRELESS |
|
|
| 301 |
201 |
14295 |
-2 |
WIRELESS |
|
|
| 301 |
284 |
14295 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN10 |
| 301 |
296 |
14295 |
-2 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC |
WSNGTNZN10 |
| 301 |
339 |
14295 |
-2 |
LANDLINE |
CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
WSNGTNZN10 |
| 301 |
354 |
14295 |
-2 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - DC |
WSNGTNZN10 |
| 301 |
398 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 301 |
417 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 301 |
545 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 301 |
550 |
14295 |
-2 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
WSNGTNZN10 |
| 301 |
605 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
| 301 |
637 |
14295 |
-2 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - MD |
WSNGTNZN10 |
| 301 |
825 |
14295 |
-2 |
LANDLINE |
AT&T - LOCAL |
WSNGTNZN10 |
| 301 |
978 |
14295 |
-2 |
LANDLINE |
VERIZON MARYLAND, INC. |
WSNGTNZN10 |
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