Phone numbers in Sugar Grove, Illinois
Sugar Grove has 17 phone prefixes in area codes 331, 630.
Biggest holders: Verizon Wireless, T-Mobile (including Sprint), Peerless Network Of Illinois. This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 71%
- Local phone company 6%
- Internet / business phone carrier 24%
Every prefix in Sugar Grove
Search the first six digits of a number in this list. If it's here, the number started in Sugar Grove with the carrier shown. If it isn't, check the Illinois page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 331-227 | Verizon Wireless | Mobile carrier | 2016 |
| 331-234 | Verizon Wireless | Mobile carrier | 2013 |
| 331-254 | T-Mobile (including Sprint) | Mobile carrier | 2014 |
| 331-259 | Peerless Network Of Illinois | Internet / business phone carrier | – |
| 331-268 | T-Mobile (including Sprint) | Mobile carrier | 2021 |
| 331-388 | Fractel | Internet / business phone carrier | 2021 |
| 630-277 | Verizon Wireless | Mobile carrier | 2009 |
| 630-360 | Verizon Wireless | Mobile carrier | 2010 |
| 630-391 | Verizon Wireless | Mobile carrier | – |
| 630-409 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 630-465 | Bandwidth | Internet / business phone carrier | 2010 |
| 630-466 | AT&T (local phone) | Local phone company | – |
| 630-538 | T-Mobile (including Sprint) | Mobile carrier | 2010 |
| 630-746 | Verizon Wireless | Mobile carrier | 2008 |
| 630-777 | Verizon Wireless | Mobile carrier | 2006 |
| 630-802 | T-Mobile (including Sprint) | Mobile carrier | 2001 |
| 630-999 | T-Mobile (including Sprint) | Mobile carrier | 2006 |
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.