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) 510-591

NPA/Area Code:	510	NXX Use Type:	WIRELESS
NXX/Prefix:	591	NXX Intro Version:	1999-02-27
City:	NEWARK	New NPA:
State:	CA	Latitude:	37.557
County:	ALAMEDA	Longitude:	-122.0073
County Population:	1510271	LATA:	722
ZIP Code:	94560	Overlay:
ZIP Code Pop:	42573	Rate Center:	HAYWARD
ZIP Code Freq:	-1	OCN:	6906
Time Zone:	Pacific (GMT -08:00)	FIPS:	06001
Observes DST:	Unknown	CBSA Code:	41860
CBSA Name:	San Francisco-Oakland-Fremont, CA
Prefix Status:	Active
Carrier/Company:	AMERICAN MESSAGING SERVICES, LLC

ZIP Code	Pop	Freq	City	State	County	Type
94560	42573	-1	NEWARK	CA	ALAMEDA	WIRELESS
94555	34143	-2	FREMONT	CA	ALAMEDA	WIRELESS
94536	68790	0	FREMONT	CA	ALAMEDA	WIRELESS

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.