with areacode 903 (February 15, 2003) 432: West Texas: Big Spring, Midland, Odessa (April 5, 2003) 469: Dallasarea, overlays with 214, 972, and 945 (July
geographic numbering plan areas (NPAs). Each NPA is identified by one or more numbering plan areacodes (NPA codes, or areacodes), consisting of three digits