Lookup any area code or prefix (NPA/NXX) in our database using our FREE Area Code Finder Below:

For more info
support@area-codes.com
1-800-425-1169

AreaCode/Prefix (Exchange) 410-400

NPA/Area Code:	410	NXX Use Type:	LANDLINE
NXX/Prefix:	400	NXX Intro Version:	2006-06-15
City:	BALTIMORE	New NPA:
State:	MD	Latitude:	39.3002
County:	BALTIMORE CITY	Longitude:	-76.6147
County Population:	620961	LATA:	238
ZIP Code:	21201	Overlay:
ZIP Code Pop:	16972	Rate Center:	BALTIMORE
ZIP Code Freq:	-1	OCN:	3910
Time Zone:	Eastern (GMT -05:00)	FIPS:	24510
Observes DST:	Unknown	CBSA Code:	12580
CBSA Name:	Baltimore-Columbia-Towson, MD
Prefix Status:	Active
Carrier/Company:	CAVALIER TELEPHONE MID-ATLANTIC, LLC - MD

ZIP Code	Pop	Freq	City	State	County	Type
21201	16972	-1	BALTIMORE	MD	BALTIMORE CITY	LANDLINE
21233	0	-2	BALTIMORE	MD	BALTIMORE CITY	LANDLINE
21202	22832	0	BALTIMORE	MD	BALTIMORE CITY	LANDLINE

Learn more on how to use the ZIP Code Information.

Get all NPA NXX records in one easy to use database. Read More.

Only online source to include ZIP Code info, provider company listings, and landline/wireless differentiation.
Instantly download NPANXX data covering the entire US for immediate use (Canada and American Territories included for reference only.)
Easily assign NPANXX codes to each of your sites for automated call routing.
NEW - Additional lat/lon info provided for the center of the serving area - only online source of this valuable information.
Includes inputs from the major telecommunications providers.