Area Code 508-631 located in LOWELL, MIDDLESEX, MA, more detail is as below. Place NPA (Numbering Plan Area) : 508 NXX (Local Number Prefix) : 631 City : LOWELL County : MIDDLESEX State : MA (Massachusetts) NXX Use Type : Wireless NXX Intro Version : 1994-02-04 FIPS (Federal Information Processing Standards) : 25017 LATA (Local Access Transport Area) : 128 Rate Center : BROCKTON ZIP Code Count : 1 ZIP Code Frequency : 100 ZIP Code : 01851 Other Information NPANXX : 508631 Switch CLLI (Common Language Location Identifier) : DDHMMAEGDS0 MSA CBSA (Core Based Statistical Area) : Boston-Cambridge-Quincy, MA-NH MSA CBSA Code (Core Based Statistical Area) : 14460 Time Zone : Eastern (GMT -05:00) Observes Daylight Saving Time : Yes Company : NEW CINGULAR WIRELESS PCS, LLC - DC OCN (Operating Company Number) : 4036 Coverage Area Name : BROCKTON Latitude : 42.0798 Longitude : -71.0167 ‹ previous : 508-630 next › : 508-632 Telephone Number List 508-631-0000 ~ 508-631-9999