Area Code and Exchange (414) 604 in Wisconsin
Exchange Code 604 for Area Code 414 covers the city of Milwaukee, Milwaukee County in the State of Wisconsin. It is centered at N 43º 2' 20.05", W 87º 54' 23.3". This Exchange Code was introduced on 11 January 1997 and is designated as being used for Landline telephones.
This Exchange covers telephone numbers ranging from (414) 604-0000 to (414) 604-9999.
In this Exchange Code there are 1 telephone numbers that have been the subject of complaints to the FCC and 41 telephone numbers that our research shows belong to legitimate businesses.
Technical Information for Exchange (414) 604
NXX/Exchange Code: 604
Rate Center: MILWAUKZN1
Time Zone: CST
Exchange Status: Active
NXX Intro Date: 11 January 1997
CBSA Code: 33340
Number Pooling: Yes
Number Pooling in Exchange (414) 604
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 414-604 and the following thousand blocks are currently assigned to carriers.
Telephone numbers subject to FCC Complaints in Exchange (414) 604 1
Businesses and other Entities in Exchange (414) 604 68
Below are details of all of the legitimate businesses and other entities that we have identified within this Exchange Code.