Reference Data Rate Center Directory DIR ASST, OH Rate Center DIR ASST — OH Data last updated: March 10, 2026 LATA 999 State OH Area Codes 15 Exchanges (NXX) 15 Carriers 0 Coordinates 0, 0 Area Codes 216 220 234 283 326 330 380 419 436 440 513 567 614 740 937
