Area Code 513-355 located in MIDDLETOWN, BUTLER, OH, more detail is as below. Place NPA (Numbering Plan Area) : 513 NXX (Local Number Prefix) : 355 City : MIDDLETOWN County : BUTLER State : OH (Ohio) NXX Use Type : Wireless NXX Intro Version : 1998-01-25 FIPS (Federal Information Processing Standards) : 39017 LATA (Local Access Transport Area) : 328 Rate Center : MIDDLETOWN ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 45044 Other Information NPANXX : 513355 Switch CLLI (Common Language Location Identifier) : CNTMOHIBCM1 MSA CBSA (Core Based Statistical Area) : Cincinnati-Middletown, OH-KY-IN MSA CBSA Code (Core Based Statistical Area) : 17140 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : AMERICAN MESSAGING (AM), INC. OCN (Operating Company Number) : 9748 Coverage Area Name : MIDDLETOWN Latitude : 39.5179 Longitude : -84.3906 ‹ previous : 513-354 next › : 513-356 Telephone Number List 513-355-0000 ~ 513-355-9999