Area Code and Exchange (414) 635 in Wisconsin
Exchange Code 635 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 16 February 2017 and is designated as being used for Landline telephones.
This Exchange covers telephone numbers ranging from (414) 635-0000 to (414) 635-9999.
Technical Information for Exchange (414) 635
NXX/Exchange Code: 635
Rate Center: MILWAUKZN1
Time Zone: CST
Exchange Status: Active
NXX Intro Date: 16 February 2017
CBSA Code: 33340
Number Pooling: Yes
Number Pooling in Exchange (414) 635
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 414-635 and the following thousand blocks are currently assigned to carriers.