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Area Code and Exchange (509) 841 in Washington

Exchange Code 841 for Area Code 509 covers the city of Waitsburg, Walla Walla County in the State of Washington. It is centered at N 46º 16' 13.5", W 118º 9' 11.83". This Exchange Code was introduced on 13 February 2015 and is designated as being used for Landline telephones.

This Exchange covers telephone numbers ranging from (509) 841-0000 to (509) 841-9999.

Technical Information for Exchange (509) 841

NPA/Area Code: 509
NXX/Exchange Code: 841
City: Waitsburg
County: Walla Walla
State: Washington
Rate Center: WAITSBURG
OCN: 159F
Time Zone: PST
DST Observed:
Exchange Status: Active
NXX Use Type: Landline
NXX Intro Date: 13 February 2015
Latitude: 46.2704176
Longitude: -118.1532861
New NPA:
LATA: 676
FIPS: 53071
CBSA Code: 47460
Number Pooling: Yes
CBSA Name: Walla Walla, WA


Number Pooling in Exchange (509) 841

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 509-841 and the following thousand blocks are currently assigned to carriers.