Area code 985
Where 985 is, how it is dialed, which carriers hold its numbers and how many of its codes are in use, from NANPA's 10/01/2026 files.
- State
- LA
- In service
- 2001
- Assigned codes
- 447of 800 possible
- Carriers
- 33
Area code 985 at a glance
Area code 985 is a geographic area code in Louisiana, in service since February 12, 2001, according to the North American Numbering Plan Administrator (NANPA). It is not part of an overlay, so every number in its territory starts with 985. It is in the Central time zone. The places with the most assigned exchanges include Houma, Hammond, Slidell, Covington, and Morgan City. By population, its largest named places are Houma, Slidell, Hammond, Thibodaux, and Mandeville.
| Item | Value |
|---|---|
| State | Louisiana |
| In service since | February 12, 2001 |
| Assigned by NANPA | September 13, 2000 |
| Overlay | No |
| Parent area code (NANPA) | 504 |
| Time zone | Central |
| Local calls within the code | seven digits |
| Assigned central office codes | 447 |
| Rate centers with codes | 45 |
| Carriers holding codes | 33 |
| Pooled codes | 334 |
| Codes assigned since 2020 | 51 |
| Relief planning in progress | No |
Source: NANPA NPA report and utilized central office code file, both dated 10/01/2026.
Places served by 985
985 holds 16% of the 2,874 central office codes assigned in Louisiana, the 5th most of the state's 6 codes. 23 Census places could be matched to rate centers with 985 exchanges; the most populous are Houma (31,671), Slidell (28,440), Hammond (23,426), and Thibodaux (15,569). For a storefront or service area inside 985, the place pages show which prefixes are rated local there.
| Place | Population (2024) | Area codes | Exchanges | Carriers |
|---|---|---|---|---|
| Houma, LA | 31,671 | 985 | 53 | 16 |
| Slidell, LA | 28,440 | 985 | 39 | 11 |
| Hammond, LA | 23,426 | 985 | 44 | 16 |
| Thibodaux, LA | 15,569 | 985 | 22 | 10 |
| Mandeville, LA | 12,973 | 985 | 23 | 9 |
| Covington, LA | 11,686 | 985 | 32 | 12 |
| Morgan City, LA | 10,813 | 985 | 25 | 8 |
| Bogalusa, LA | 10,367 | 985 | 14 | 8 |
| Ponchatoula, LA | 7,735 | 985 | 8 | 6 |
| Patterson, LA | 5,614 | 985 | 7 | 5 |
| Leesville, LA | 5,339 | 337, 985 | 24 | 9 |
| Amite City, LA | 4,086 | 985 | 10 | 8 |
| Franklinton, LA | 3,592 | 985 | 9 | 6 |
| Pearl River, LA | 2,647 | 985 | 5 | 5 |
| Lockport, LA | 2,351 | 985 | 6 | 6 |
Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.
How calls are dialed in 985
According to NANPA's dialing-plan data, local calls within 985 are dialed as seven digits and toll calls as 1 plus ten digits. Seven-digit local dialing is still permitted here, but customers calling from other area codes, and every mobile contact list, use all ten digits.
Phone companies in area code 985
33 carriers hold the 447 central office codes assigned in 985. Bellsouth Telecomm INC d/b/a South Central Bell Tel has the most, with 108 (24%). 334 of the codes (75%) are pooled, meaning the code holder shares blocks of 1,000 numbers with other carriers instead of using all 10,000 itself. Numbers can move between carriers through porting, so a code's holder tells you where the block started, not where every number lives now.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| Bellsouth Telecomm INC d/b/a South Central Bell Tel | 108 | 24% |
| New Cingular Wireless PCS, LLC - Ga | 67 | 15% |
| Cellco Partnership d/b/a Verizon Wireless - La | 35 | 7.8% |
| Paetec Itel, LLC | 35 | 7.8% |
| Onvoy, LLC - La | 28 | 6.3% |
| Level 3 Communications, LLC - La | 24 | 5.4% |
| Voicestream GSM I, LLC | 24 | 5.4% |
| Metropcs, INC. | 18 | 4.0% |
| Ton80 Communications, LLC | 14 | 3.1% |
| Comcast Ip Phone, LLC | 11 | 2.5% |
| Advanced Tel., INC. - La | 9 | 2.0% |
| Bandwidth.com CLEC, LLC - La | 9 | 2.0% |
Carrier names are the operating company (OCN) names on NANPA's utilized central office code file dated 10/01/2026. A carrier holding a code may port numbers to other carriers.
Where 985 numbers are rated
NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 985 has codes in 45 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.
| Rate center (NANPA) | Place | Codes |
|---|---|---|
| HOUMA | Houma, LA | 53 |
| HAMMOND | Hammond, LA | 44 |
| SLIDELL | Slidell, LA | 39 |
| COVINGTON | Covington, LA | 32 |
| MORGANCITY | Morgan City, LA | 25 |
| MANDEVILLE | Mandeville, LA | 23 |
| THIBODAUX | Thibodaux, LA | 22 |
| LAPLACE | not matched | 16 |
| BOGALUSA | Bogalusa, LA | 14 |
| LAROSE | not matched | 12 |
| AMITE CITY | Amite City, LA | 10 |
| FRANKLINTN | Franklinton, LA | 9 |
| RACELAND | not matched | 9 |
| PONCHATOUL | Ponchatoula, LA | 8 |
| MADISONVL | Madisonville, LA | 7 |
| LULING | not matched | 7 |
| PATTERSON | Patterson, LA | 7 |
| NORCO | not matched | 6 |
| LOCKPORT | Lockport, LA | 6 |
| PARADIS | not matched | 6 |
| LACOMBE | not matched | 5 |
| KENTWOOD | Kentwood, LA | 5 |
| PIERREPART | not matched | 5 |
| PEARLRIVER | Pearl River, LA | 5 |
| DULAC | not matched | 5 |
Top 25 of 45 rate centers.
How full is area code 985?
An area code has 800 possible central office codes that start with 2 through 9, a few of which are reserved (such as N11 service codes and 555). 447 are assigned in 985, 56% of 800. 51 were assigned in 2020 or later.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 101 | 48% |
| 2010s | 57 | 27% |
| 2020s | 51 | 24% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
Using area code 985 for business calls
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Frequently asked questions
Where is area code 985?
985 is a geographic area code in Louisiana. Places with the most assigned exchanges include Houma, Hammond, Slidell, and Covington.
What time zone is area code 985 in?
NANPA lists 985 in the Central time zone.
When did area code 985 go into service?
NANPA records an in-service date of February 12, 2001. The code was assigned on September 13, 2000.
Is 985 an overlay area code?
No. NANPA does not list 985 as part of an overlay.
Can my business get a 985 phone number?
Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 985 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.