Appendix 2 Area, Zone and Bus Number Assignments – Southwest Region Area Number 10 – Zone Number Range 100 199, – 840-859, 1000 1999 – Bus Number Range 10,000 19,999 – 100,000 199,999 Member System – Bus Range Area No. Zone Area Name Member System 10 100-109 New Mexico PNM 10,000 10,999 – 1000 - 1099 100,000 109,999 – 120-139 New Mexico TSGT 12,000 12,999 – 1200 - 1399 120,000 129,999 – LAC, NAPI, TNP 13,000 13,999 – 130,000 139,999 – 11 110 119 El Paso EPE 11,000 11,999 – – 1100 - 1199 110,000 119,999 – 14 140-149 Arizona APS 14,000 14,999 – 840-859 84,000 85,999 – 1400 - 1499 140,000 149,999 – 150-159 SRP, APA 15,000 15,999 – 1500-1599 150,000 159,999 – 160-169 TEP, UES 16,000 16,999 – 1600 - 1699 160,000 169,999 – 170-179 AEPC, Others 17,000 17,999 – 1700 - 1799 170,000 179,999 – 18 180 188 Nevada NEVP 18,000 18,899 – – 1800 - 1889 180,000 188,999 – 189 VEA 18,900 18,999 – 1899 189,000 189,999 – 19 190-199 WAPA-L.C. WAPA-L.C. 19,000-19,999 1900-1999 190,000-199,999 Southern California Region Area Number Range 20 2 – Zone Number Range 200 299 – 2000 2999 –
Appendix 2 – Area, Zone and Bus Number Assignments Southwest Region Area Number 10 – Zone Number Range 100 – 199, 840-859, 1000 – 1999 Bus Number Range 10,000 – 19,999 100,000 – 199,999 Member System Bus Range Area No. Zone Area Name Member System 10 100-109 1000 - 1099 New Mexico PNM 10,000 – 10,999 100,000 – 109,999 120-139 1200 - 1399 New Mexico TSGT 12,000 – 12,999 120,000 – 129,999 LAC, NAPI, TNP 13,000 – 13,999 130,000 – 139,999 11 110 – 119 1100 - 1199 El Paso EPE 11,000 – 11,999 110,000 – 119,999 14 140-149 840-859 1400 - 1499 Arizona APS 14,000 – 14,999 84,000 – 85,999 140,000 – 149,999 150-159 1500-1599 SRP, APA 15,000 – 15,999 150,000 – 159,999 160-169 1600 - 1699 TEP, UES 16,000 – 16,999 160,000 – 169,999 170-179 1700 - 1799 AEPC, Others 17,000 – 17,999 170,000 – 179,999 18 180 – 188 1800 - 1889 Nevada NEVP 18,000 – 18,899 180,000 – 188,999 189 1899 VEA 18,900 – 18,999 189,000 – 189,999 19 190-199 1900-1999 WAPA-L.C. WAPA-L.C. 19,000-19,999 190,000-199,999 Southern California Region Area Number Range 20 – 2 Zone Number Range 200 – 299 2000 – 2999
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