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Area Codes that cover ZIP Code 21784
GAITHER, SYKESVILLE, ELDERSBURG, MD
ZIP Code 21784 Details
| Zip Code: | 21784 | | Population: | 37,941 |
| Area Code: | 410 | 443 | 667 | Households per Zip Code: | 13,058 |
| City: | SYKESVILLE | Average House Value: | $378,200 |
| State: | MD | Avg. Income Per Household: | $109,734 |
| County: | CARROLL | Persons Per Household | 2.82 |
| Latitude: | 39.392359 | White Population: | 35,142 |
| Longitude: | -76.96728 | Black Population: | 1,872 |
| Elevation: | 586 | Hispanic Population: | 879 |
| City Alias(es): | GAITHER
SYKESVILLE
ELDERSBURG | Number of Businesses: | 909 |
| MSA: | 8872 |
| MSA Name: | Washington-Baltimore, DC-MD-VA-WV CMSA |
| PMSA: | 0720 |
AreaCodes & Prefixes for ZIP Code 21784
| Area Code |
Prefix |
Zip Count |
ZIP Freq |
Type |
Company |
Rate Center |
| 410 |
549 |
37941 |
0 |
LANDLINE |
VERIZON MARYLAND, INC. |
SYKESVILLE |
| 410 |
552 |
37941 |
0 |
LANDLINE |
VERIZON MARYLAND, INC. |
SYKESVILLE |
| 410 |
781 |
37941 |
0 |
LANDLINE |
VERIZON MARYLAND, INC. |
ELLICOTTCY |
| 410 |
795 |
37941 |
0 |
LANDLINE |
VERIZON MARYLAND, INC. |
SYKESVILLE |
| 410 |
970 |
37941 |
0 |
LANDLINE |
MCIMETRO ACCESS TRANSMISSION SERVICES LLC - MD |
SYKESVILLE |
| 410 |
984 |
37941 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
SYKESVILLE |
| 443 |
277 |
37941 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
SYKESVILLE |
| 443 |
280 |
37941 |
0 |
WIRELESS |
NEW CINGULAR WIRELESS PCS, LLC - DC |
SYKESVILLE |
| 443 |
300 |
37941 |
0 |
LANDLINE |
LEVEL 3 COMMUNICATIONS, LLC - MD |
SYKESVILLE |
| 443 |
328 |
37941 |
0 |
LANDLINE |
CTC COMMUNICATIONS CORP. - MD |
SYKESVILLE |
| 443 |
361 |
37941 |
0 |
LANDLINE |
CORE COMMUNICATIONS, INC.- MD |
SYKESVILLE |
| 443 |
398 |
37941 |
0 |
WIRELESS |
SPRINT SPECTRUM, L.P. |
SYKESVILLE |
| 443 |
516 |
37941 |
0 |
LANDLINE |
GLOBAL CROSSING LOCAL SERVICES, INC. - MD |
SYKESVILLE |
| 443 |
609 |
37941 |
0 |
LANDLINE |
CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD |
SYKESVILLE |
| 443 |
920 |
37941 |
0 |
LANDLINE |
TELEPORT COMMUNICATIONS AMERICA, LLC - MD |
SYKESVILLE |
| 667 |
339 |
37941 |
0 |
LANDLINE |
ONVOY, LLC - MD |
SYKESVILLE |
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