Area Code 985-399 located in PATTERSON, SAINT MARY, LA, more detail is as below. Place NPA (Numbering Plan Area) : 985 NXX (Local Number Prefix) : 399 City : PATTERSON County : SAINT MARY State : LA (Louisiana) NXX Use Type : Landline NXX Intro Version : 2001-06-30 FIPS (Federal Information Processing Standards) : 22101 LATA (Local Access Transport Area) : 490 Rate Center : PATTERSON ZIP Code Count : 918 ZIP Code Frequency : 58 ZIP Code : 70392 Other Information NPANXX : 985399 Switch CLLI (Common Language Location Identifier) : PASNLAMNRS1 MSA CBSA (Core Based Statistical Area) : Morgan City, LA MSA CBSA Code (Core Based Statistical Area) : 34020 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : BELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL OCN (Operating Company Number) : 9419 Coverage Area Name : PATTERSON Latitude : 29.6962 Longitude : -91.3028 ‹ previous : 985-399 next › : 985-400 Telephone Number List 985-399-0000 ~ 985-399-9999