Chesterton Police say they have received multiple calls from citizens reporting they were contacted by a representative from N.I.P.S.C.O. about their account being past due. CPD is warning residents to not give anyone any banking information over the phone or send a money order. Contact N.I.P.S.C.O. directly (800-464-7726) if you believe your account could be past due. If you know your account is up to date disregard the call.