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Area Code and Exchange (509) 650 in Washington

Exchange Code 650 for Area Code 509 covers the city of Ritzville, Adams County in the State of Washington. It is centered at N 47º 7' 38.54", W 118º 22' 47.91". This Exchange Code was introduced on 4 February 1994 and is designated as being used for Wireless telephones.

This Exchange covers telephone numbers ranging from (509) 650-0000 to (509) 650-9999.

Technical Information for Exchange (509) 650

NPA/Area Code: 509
NXX/Exchange Code: 650
City: Ritzville
County: Adams
State: Washington
Rate Center: RITZVILLE
OCN: 1477
Time Zone: PST
DST Observed:
Exchange Status: Active
NXX Use Type: Wireless
NXX Intro Date: 4 February 1994
Latitude: 47.1273723
Longitude: -118.3799751
New NPA:
Overlay:
LATA: 676
FIPS: 53001
CBSA Code:
Number Pooling: Yes

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Number Pooling in Exchange (509) 650

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 509-650 and the following thousand blocks are currently assigned to carriers.