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Area Code and Exchange (509) 831 in Washington

Exchange Code 831 for Area Code 509 covers the city of Sunnyside, Clark County in the State of Washington. It is centered at N 45º 38' 37.42", W 122º 22' 19.33". This Exchange Code was introduced on 18 May 1998 and is designated as being used for Wireless telephones.

This Exchange covers telephone numbers ranging from (509) 831-0000 to (509) 831-9999.

In this Exchange Code there are 6 telephone numbers that our research shows belong to legitimate businesses.

Technical Information for Exchange (509) 831

NPA/Area Code: 509
NXX/Exchange Code: 831
City: Sunnyside
County: Clark
State: Washington
Rate Center: SUNNYSIDE
OCN: 6270
Time Zone: PST
DST Observed:
Exchange Status: Active
NXX Use Type: Wireless
NXX Intro Date: 18 May 1998
Latitude: 45.6437287
Longitude: -122.3720367
New NPA:
Overlay:
LATA: 676
FIPS: 53011
CBSA Code: 38900
Number Pooling: Yes
CBSA Name: Portland-Vancouver-Hillsboro, OR-WA

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Number Pooling in Exchange (509) 831

The initial set up of an Exchange was to have all 10,000 numbers (0000 - 9999) for a particular Rate Center allocated to the same local exhange carrier. With the advent of multiple carriers, allocating each one of them their own Exchange Code would be inefficient and soon use up the available number pools for a particular area. To counter this, some exchanges are split into blocks of 1,000 numbers, which can each be allocated to individual carriers. This cuts down on wasted numbers that aren't allocated as each carrier has a smaller pool available.

Number Pooling is activated in Exchange 509-831 and the following thousand blocks are currently assigned to carriers.

Businesses and other Entities in Exchange (509) 831 6

Below are details of all of the legitimate businesses and other entities that we have identified within this Exchange Code.

(509) 831-4250

Registered to KATHERINE HERNDON in SEATTLE.

Click here for more details.

(509) 831-9801

Registered to MAYRA ALEJANDRA CARRILLO in SACRAMENTO.

Click here for more details.

(509) 831-9051

Registered to DR. KYLE BURTON TYLER DMD in BOSTON.

Click here for more details.

(509) 831-7775

Registered to MARGARITA SANDOVAL in GRANDVIEW.

Click here for more details.

(509) 831-4548

Registered to ENEDELIA G. FLORES LMP in YAKIMA.

Click here for more details.

(509) 831-7621

Registered to DR. KEVIN MICHAEL WALKER PHARMD in SPOKANE.

Click here for more details.