Phone numbers in Romulus, Michigan
Romulus has 24 phone prefixes in area code 734.
Biggest holders: AT&T (local phone), MCImetro (Verizon Business), Windstream (PAETEC). This is the local calling area (rate center) where those prefixes were first assigned.
- Mobile carrier 8%
- Local phone company 33%
- Internet / business phone carrier 50%
- Paging service 8%
Every prefix in Romulus
Search the first six digits of a number in this list. If it's here, the number started in Romulus with the carrier shown. If it isn't, check the Michigan page or look the number up.
| Prefix | Carrier | Type | Assigned |
|---|---|---|---|
| 734-229 | AT&T (local phone) | Local phone company | – |
| 734-247 | AT&T (local phone) | Local phone company | – |
| 734-267 | American Messaging Services | Paging service | – |
| 734-380 | Spok | Paging service | – |
| 734-403 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 734-406 | AT&T Mobility | Mobile carrier | 2017 |
| 734-413 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 734-442 | Windstream (PAETEC) | Internet / business phone carrier | – |
| 734-494 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 734-499 | Fractel | Internet / business phone carrier | 2020 |
| 734-532 | Level 3 (Lumen) | Internet / business phone carrier | – |
| 734-685 | MCImetro (Verizon Business) | Internet / business phone carrier | 2015 |
| 734-784 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 734-840 | Teleport Communications America | Internet / business phone carrier | 2001 |
| 734-857 | Teleport Communications America | Internet / business phone carrier | – |
| 734-893 | Verizon Wireless | Mobile carrier | – |
| 734-921 | AT&T (local phone) | Local phone company | 2015 |
| 734-939 | MCImetro (Verizon Business) | Internet / business phone carrier | – |
| 734-941 | AT&T (local phone) | Local phone company | – |
| 734-942 | AT&T (local phone) | Local phone company | – |
| 734-946 | AT&T (local phone) | Local phone company | – |
| 734-947 | AT&T (local phone) | Local phone company | – |
| 734-955 | AT&T (local phone) | Local phone company | – |
| 734-992 | Comcast | Internet / business phone 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.