NPA RELIEF ACTIVITY
OVERLAY DETAIL

OLD NPA
301

OVERLAY NPA
240

TEST #

10D PERMISSIVE

10D MANDATORY

(240) 999-8378

NONE

06/01/96

NEW CODE

06/01/97

Area Code 240 will overlay 301 on July 1, 1997.

There will be NO permissive dialing period, and all existing area code 301 exchanges will remain in area code 301.