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Area Code and Exchange (920) 640 in Wisconsin

Exchange Code 640 for Area Code 920 covers the city of Jefferson, Jefferson County in the State of Wisconsin. It is centered at N 43º 0' 20.01", W 88º 48' 26.38". This Exchange Code was introduced on 20 November 1998 and is designated as being used for Wireless telephones.

This Exchange covers telephone numbers ranging from (920) 640-0000 to (920) 640-9999.

Technical Information for Exchange (920) 640

NPA/Area Code: 920
NXX/Exchange Code: 640
City: Jefferson
County: Jefferson
State: Wisconsin
Rate Center: JEFFERSON
OCN: 9748
Time Zone: CST
DST Observed:
Exchange Status: Active
NXX Use Type: Wireless
NXX Intro Date: 20 November 1998
Latitude: 43.0055594
Longitude: -88.8073273
New NPA:
LATA: 356
FIPS: 55055
CBSA Code: 48020
Number Pooling: No
CBSA Name: Watertown-Fort Atkinson, WI