Record Type Z - ZIP+4 Codes
Field BV Fmt Type Beg End Len Description
RT No L A 1 1 1 Record Type
VERSION No L N 2 5 4 Version Number
TLID No R N 6 15 10 TIGER/Line ID, Permanent 1-Cell Number
RTSQ No R N 16 18 3 Record Sequence Number
ZIP4L Yes L N 19 22 4 +4 Postal Add-On Code, Left
ZIP4R Yes L N 23 26 4 +4 Postal Add-On Code, Right