Glyndon, Maryland
Glyndon, Maryland, in Baltimore County, has ZIP code 21071 and area code 410, with overlays 443 and 667.
- ZIP code
- 21071
- Area codes
- 410, 443, 667
- County
- Baltimore County
- State
- Maryland
- Time zone
- Eastern Time
- Coordinates
- 39.4770, -76.8150
ZIP codes in Glyndon
Area codes for Glyndon
- Area code 410
In service since October 6, 1991. Shares its area with 443 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 443
In service since June 1, 1997. Shares its area with 410 and 667. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
- Area code 667
In service since March 24, 2012. Shares its area with 410 and 443. Local calls are dialed with ten digits; dialing 1 plus ten digits also works.
Area codes here are matched from telephone rate centers, so a place near a boundary can have local numbers from either side of it.
Time zone
Glyndon is in the Eastern Time zone.
Towns near Glyndon
- Reisterstown1.9 km (1.2 mi)
- Boring5 km (3.1 mi)
- Owings Mills6.5 km (4.0 mi)
- Finksburg8.5 km (5.3 mi)
- Butler8.8 km (5.5 mi)
- Garrison9.9 km (6.2 mi)
- Upperco10.2 km (6.3 mi)
- Randallstown11.5 km (7.1 mi)
Local numbers in area code 410
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- (410) 946-6170Severna Park, MD$39View & buy
- (410) 946-8040Severna Park, MD$39View & buy
- (410) 946-8186Severna Park, MD$39View & buy
- (410) 946-8805Severna Park, MD$39View & buy
- (410) 989-2230Fork, MDAlso spells ACE, CAD, CAF$39View & buy
- (410) 989-5855Fork, MD$39View & buy
- (410) 921-9279Dorrs Corner, MDAlso spells WARY$49View & buy
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