Area Code 423-561 located in MADISONVILLE, MONROE, TN, more detail is as below. Place NPA (Numbering Plan Area) : 423 NXX (Local Number Prefix) : 561 City : MADISONVILLE County : MONROE State : TN (Tennessee) NXX Use Type : Landline NXX Intro Version : 1999-10-13 FIPS (Federal Information Processing Standards) : 47123 Rate Center : MADISONVL ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 37354 Other Information NPANXX : 423561 County Population : 0 Switch CLLI (Common Language Location Identifier) : KNVLTNGHCM0 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Latitude : None Longitude : None ‹ previous : 423-559 next › : 423-562 Telephone Number List 423-561-0000 ~ 423-561-9999
