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Area Code and Exchange (509) 820 in Washington

Exchange Code 820 for Area Code 509 covers the city of Kennewick, Benton County in the State of Washington. It is centered at N 46º 12' 40.48", W 119º 8' 14.04". This Exchange Code was introduced on 18 September 2014 and is designated as being used for Wireless telephones.

This Exchange covers telephone numbers ranging from (509) 820-0000 to (509) 820-9999.

In this Exchange Code there are 3 telephone numbers that our research shows belong to legitimate businesses.

Technical Information for Exchange (509) 820

NPA/Area Code: 509
NXX/Exchange Code: 820
City: Kennewick
County: Benton
State: Washington
Rate Center: KENNEWICK
OCN: 5812
Time Zone: PST
DST Observed:
Exchange Status: Active
NXX Use Type: Wireless
NXX Intro Date: 18 September 2014
Latitude: 46.2112458
Longitude: -119.1372338
New NPA:
Overlay:
LATA: 676
FIPS: 53005
CBSA Code: 28420
Number Pooling: Yes
CBSA Name: Kennewick-Richland, WA

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Number Pooling in Exchange (509) 820

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 509-820 and the following thousand blocks are currently assigned to carriers.

Businesses and other Entities in Exchange (509) 820 4

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

(509) 820-3828

Registered to INTEGRATIVE CHIROPRACTIC AND EXTREMITIES in KENNEWICK.

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(509) 820-3827

Registered to PERRY E BARNHILL DC in KENNEWICK.

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(509) 820-3828

Registered to PERRY E BARNHILL DC in KENNEWICK.

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(509) 820-0334

Registered to MISS NICOLE DEBORAH SLACK RN in KENNEWICK.

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