Area Code and Exchange (920) 404 in Wisconsin
Exchange Code 404 for Area Code 920 is located in the State of Wisconsin.
This Exchange covers telephone numbers ranging from (920) 404-0000 to (920) 404-9999.
Technical Information for Exchange (920) 404
NXX/Exchange Code: 404
Rate Center: APPLETON
Exchange Status: Active
Number Pooling: Yes
Number Pooling in Exchange (920) 404
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 920-404 and the following thousand blocks are currently assigned to carriers.