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Area Code and Exchange (920) 638 in Wisconsin

Exchange Code 638 for Area Code 920 covers the city of Fond du Lac, Fond du Lac County in the State of Wisconsin. It is centered at N 43º 46' 22.96", W 88º 26' 49.38". This Exchange Code was introduced on 22 July 1999 and is designated as being used for Landline telephones.

This Exchange covers telephone numbers ranging from (920) 638-0000 to (920) 638-9999.

In this Exchange Code there are 1 telephone numbers that our research shows belong to legitimate businesses.

Technical Information for Exchange (920) 638

NPA/Area Code: 920
NXX/Exchange Code: 638
City: Fond du Lac
County: Fond du Lac
State: Wisconsin
Rate Center: FONDDU LAC
OCN: 7421
Time Zone: CST
DST Observed:
Exchange Status: Active
NXX Use Type: Landline
NXX Intro Date: 22 July 1999
Latitude: 43.7730448
Longitude: -88.4470508
New NPA:
Overlay:
LATA: 356
FIPS: 55039
CBSA Code: 22540
Number Pooling: Yes
CBSA Name: Fond du Lac, WI

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Number Pooling in Exchange (920) 638

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 920-638 and the following thousand blocks are currently assigned to carriers.

Businesses and other Entities in Exchange (920) 638 1

Below are details of all of the legitimate businesses and other entities that we have identified within this Exchange Code.

(920) 638-9701

Registered to MRS. ABBIE RUTH KERSHNER D.D.S in MANITOWOC.

Click here for more details.