Area Code 978-843 located in STERLING, WORCESTER, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 843 City : STERLING County : WORCESTER State : MA (Massachusetts) NXX Use Type : Landline NXX Intro Version : 1997-10-11 FIPS (Federal Information Processing Standards) : 25027 LATA (Local Access Transport Area) : 128 Rate Center : STERLING ZIP Code Count : 0 ZIP Code Frequency : Most frequently occurring ZIP Code, although percentage is unknown. ZIP Code : 01564 Other Information NPANXX : 978843 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 : STERLING Latitude : 42.4376 Longitude : -71.7578 ‹ previous : 978-842 next › : 978-844 Telephone Number List 978-843-0000 ~ 978-843-9999