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Area Code and Exchange (509) 657 in Washington

Exchange Code 657 for Area Code 509 covers the city of Endicott, Whitman County in the State of Washington. It is centered at N 46º 55' 32.58", W 117º 40' 58.73". This Exchange Code was introduced on 4 February 1994 and is designated as being used for Landline telephones.

This Exchange covers telephone numbers ranging from (509) 657-0000 to (509) 657-9999.

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

Technical Information for Exchange (509) 657

NPA/Area Code: 509
NXX/Exchange Code: 657
City: Endicott
County: Whitman
State: Washington
Rate Center: ENDICOTT
OCN: 2437
Time Zone: PST
DST Observed:
Exchange Status: Active
NXX Use Type: Landline
NXX Intro Date: 4 February 1994
Latitude: 46.9257176
Longitude: -117.6829807
New NPA:
Overlay:
LATA: 676
FIPS: 53075
CBSA Code: 39420
Number Pooling: Yes
CBSA Name: Pullman, WA

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Number Pooling in Exchange (509) 657

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 509-657 and the following thousand blocks are currently assigned to carriers.

Businesses and other Entities in Exchange (509) 657 6

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

(509) 657-5414

Registered to MR. NICHOLAS JAMES GRAHAM IDMT in FAIRCHILD AFB.

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(509) 657-3359

Registered to WHITMAN COUNTY FIRE DISTRICT NO. 8 in LACROSSE.

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(509) 657-3521

Registered to ENDICOTT SCHOOL DISTRICT in ENDICOTT.

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(509) 657-3523

Registered to ENDICOTT SCHOOL DISTRICT in ENDICOTT.

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(509) 657-3336

Registered to DR. DIONTE RAMON MONCRIEF DDS in FAIRCHILD AFB.

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(509) 657-3457

Registered to MS. MARY MARTHA HALL RPH in ENDICOTT.

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