ZIP Code Area 313XX
- ZIP Code Area 31301
- ZIP Code Area 31302
- ZIP Code Area 31303
- ZIP Code Area 31304
- ZIP Code Area 31305
- ZIP Code Area 31307
- ZIP Code Area 31308
- ZIP Code Area 31309
- ZIP Code Area 31312
- ZIP Code Area 31313
- ZIP Code Area 31314
- ZIP Code Area 31315
- ZIP Code Area 31316
- ZIP Code Area 31318
- ZIP Code Area 31320
- ZIP Code Area 31321
- ZIP Code Area 31322
- ZIP Code Area 31323
- ZIP Code Area 31324
- ZIP Code Area 31326
- ZIP Code Area 31327
- ZIP Code Area 31328
- ZIP Code Area 31329
- ZIP Code Area 31331