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Area Code and Exchange (920) 374 in Wisconsin

Exchange Code 374 for Area Code 920 covers the city of Manitowoc, Manitowoc County in the State of Wisconsin. It is centered at N 44º 5' 18.98", W 87º 39' 27.3". This Exchange Code was introduced on 3 March 2001 and is designated as being used for Wireless telephones.

This Exchange covers telephone numbers ranging from (920) 374-0000 to (920) 374-9999.

Technical Information for Exchange (920) 374

NPA/Area Code: 920
NXX/Exchange Code: 374
City: Manitowoc
County: Manitowoc
State: Wisconsin
Rate Center: MANITOWOC
OCN: 6664
Time Zone: CST
DST Observed:
Exchange Status: Active
NXX Use Type: Wireless
NXX Intro Date: 3 March 2001
Latitude: 44.0886059
Longitude: -87.6575841
New NPA:
Overlay:
LATA: 356
FIPS: 55071
CBSA Code: 31820
Number Pooling: Yes
CBSA Name: Manitowoc, WI

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Number Pooling in Exchange (920) 374

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 920-374 and the following thousand blocks are currently assigned to carriers.