Area Code 978-422 located in STERLING, WORCESTER, MA, more detail is as below. Place NPA (Numbering Plan Area) : 978 NXX (Local Number Prefix) : 422 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 : 2553 ZIP Code Frequency : 99 ZIP Code : 01564 Other Information NPANXX : 978422 Switch CLLI (Common Language Location Identifier) : STNGMABRRS1 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 : VERIZON NEW ENGLAND INC. OCN (Operating Company Number) : 9102 Coverage Area Name : STERLING Latitude : 42.4376 Longitude : -71.7578 ‹ previous : 978-421 next › : 978-423 Telephone Number List 978-422-0000 ~ 978-422-9999