| District of Iowa area codes: 563 | |
|---|---|
| Country | United States |
| State/Province | Iowa |
| Major City | Davenport |
| Time Zone | Central (UTC-06:00) |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 563-202 | Winneshiek | Decorah, IA | Cellco Partnership DBA Verizon Wireless |
| 563-203 | Howard | Cresco, IA | Cellco Partnership DBA Verizon Wireless |
| 563-209 | Scott | Davenport, IA | Mcimetro Access Transmission Services LLC |
| 563-210 | Scott | Davenport, IA | United States Cellular Corp. - Iowa |
| 563-212 | Clinton | Clinton, IA | United States Cellular Corp. - Iowa |
| 563-213 | Dubuque | Dubuque, IA | Sprint Spectrum L.p. |
| 563-217 | Allamakee | Waukon, IA | Level 3 Communications |
| 563-219 | Clinton | Clinton, IA | AT&T Local |
| 563-220 | Jackson | Sabula, IA | Mcc Telephony Of Iowa |
| 563-221 | Clinton | De Witt, IA | United States Cellular Corp. - Iowa |
| 563-222 | Jones | Wyoming, IA | Wyoming Mutual Telephone Co. |
| 563-223 | Scott | Davenport, IA | Mcc Telephony Of Iowa |
| 563-225 | Scott | Long Grove, IA | Central Scott Telephone |
| 563-231 | Dubuque | Dubuque, IA | United States Cellular Corp. - Iowa |
| 563-233 | Bremer | Sumner, IA | Mcc Telephony Of Iowa |
| 563-237 | Chickasaw | Fredericksburg, IA | Windstream Iowa Communications - Systems |
| 563-238 | Chickasaw | Lawler, IA | Windstream Iowa Communications |
| 563-241 | Clinton | Clinton, IA | Qwest Corporation |
| 563-242 | Clinton | Clinton, IA | Qwest Corporation |
| 563-243 | Clinton | Clinton, IA | Qwest Corporation |
There are 285 prefixes, In the code area, the major cities are Bettendorf, IA;Clinton, IA;Davenport, IA;Dubuque, . The major city is Davenport.