Area Code 508-377 located in MILFORD, WORCESTER, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 377 City : MILFORD County : WORCESTER State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1999-02-27 FIPS (Federal Information Processing Standards) : 25027 LATA (Local Access Transport Area) : 128 Rate Center : MILFORD ZIP Code Count : 7 ZIP Code Frequency : 100 ZIP Code : 01757 Other Information NPANXX : 508377 Switch CLLI (Common Language Location Identifier) : CMBSMAAZDS0 MSA CBSA (Core Based Statistical Area) : Worcester, MA MSA CBSA Code (Core Based Statistical Area) : 49340 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : BROADWING COMMUNICATIONS, LLC - MA OCN (Operating Company Number) : 8924 Coverage Area Name : MARLBOROUGH Latitude : 42.3339 Longitude : -71.5616 ‹ previous : 508-376 next › : 508-378 Telephone Number List 508-377-0000 ~ 508-377-9999