Phone numbers in Rock Port, Missouri
Rock Port has 3 phone prefixes in area code 660.
Biggest holders: Verizon Wireless, Rock Port Tel, AT&T Mobility. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 67%
- Phone company 33%
Every prefix in Rock Port
Search the first six digits of a number in this list. If it's here, the number started in Rock Port with the carrier shown. If it isn't, check the Missouri page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 660-253 | Verizon Wireless | Mobile carrier | 2004 |
| 660-744 | Rock Port Tel | Phone company | – |
| 660-787 | AT&T Mobility | Mobile carrier | – |
Most prefixes are pooled: the 10,000 numbers in each are handed out in blocks of 1,000 to different carriers, and people can also take their numbers to another carrier. So the carrier shown is where the prefix started, not a guarantee about any one number. Source: NANPA central office code records, 2026-10-10.