Area Code 484-223 located in ALLENTOWN, LEHIGH, PA, more detail is as below. Place NPA (Numbering Plan Area) : 484 NXX (Local Number Prefix) : 223 City : ALLENTOWN County : LEHIGH State : PA (Pennsylvania) NXX Use Type : Landline NXX Intro Version : 2000-01-14 FIPS (Federal Information Processing Standards) : 42077 LATA (Local Access Transport Area) : 228 Rate Center : ALLENTOWN ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 18104 Other Information NPANXX : 484223 County Population : 0 Switch CLLI (Common Language Location Identifier) : ALTWPACYDS0 MSA CBSA (Core Based Statistical Area) : Allentown-Bethlehem-Easton, PA-NJ MSA CBSA Code (Core Based Statistical Area) : 10900 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Overlay : L Company : CHOICE ONE COMMUNICATIONS, INC. - PA OCN (Operating Company Number) : 4024 Coverage Area Name : ALLENTOWN Latitude : 40.6045 Longitude : -75.4677 ‹ previous : 484-222 next › : 484-224 Telephone Number List 484-223-0000 ~ 484-223-9999