Area Code 318-373 located in MONTGOMERY, GRANT, LA, more detail is as below. Place NPA (Numbering Plan Area) : 318 NXX (Local Number Prefix) : 373 City : MONTGOMERY County : GRANT State : LA (Louisiana) NXX Use Type : Wireless NXX Intro Version : 2002-08-04 FIPS (Federal Information Processing Standards) : 22043 LATA (Local Access Transport Area) : 486 Rate Center : MONTGOMERY ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 71454 Other Information NPANXX : 318373 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALXNLABSCM1 MSA CBSA (Core Based Statistical Area) : Alexandria, LA MSA CBSA Code (Core Based Statistical Area) : 10780 Time Zone : Central (GMT -06:00) Observes Daylight Saving Time : Yes Company : MTPCS, LLC OCN (Operating Company Number) : 6922 Coverage Area Name : MONTGOMERY Latitude : 31.6681 Longitude : -92.8915 ‹ previous : 318-372 next › : 318-374 Telephone Number List 318-373-0000 ~ 318-373-9999