CallataGuidesGet a local business phone number in Cullman, AL
Cullman's area codes, prefixes and carriers from NANPA records, and how to put a Cullman number in front of your customers.
- Area code
- 256 / 938
- Exchanges
- 55NANPA-assigned
- Carriers
- 15
- Population
- 20,239Census 2024 est.
What area code is Cullman, AL?
Cullman city is a Census place in Cullman County, Alabama, with an estimated 20,239 residents in 2024. NANPA lists 55 exchanges for its rate center across 2 area codes; 256 has the most (36, 65%). 256 is part of an overlay with 938, so a new local number in Cullman may carry any of those codes depending on which have numbers available. Cullman is in the Central time zone.
According to NANPA's dialing-plan data, local calls within 256 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
Cullman exchanges by carrier
15 carriers hold the 55 exchanges assigned to Cullman's rate center. New Cingular Wireless PCS, LLC - Ga has the most, with 26. 49 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. Holding a code means NANPA assigned that block of numbers to the carrier for this rate center; individual numbers may since have been ported elsewhere.
| Carrier (NANPA operating company) | Exchanges | Share |
|---|---|---|
| New Cingular Wireless PCS, LLC - Ga | 26 | 47% |
| Bellsouth Telecomm INC d/b/a South Central Bell Tel | 8 | 15% |
| Cellco Partnership d/b/a Verizon Wireless - Al | 4 | 7.3% |
| Onvoy, LLC - Al | 4 | 7.3% |
| Powertel Birmingham Licenses, INC. | 2 | 3.6% |
| Level 3 Communications, LLC - Al | 2 | 3.6% |
| Paetec Itel, LLC | 1 | 1.8% |
| Metropcs, INC. | 1 | 1.8% |
| Centurylink Communications LLC - Al | 1 | 1.8% |
| AT&T - Local | 1 | 1.8% |
| Airus, INC. - Al | 1 | 1.8% |
| Nuso, LLC | 1 | 1.8% |
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.
Cullman phone prefixes
These are the central office codes NANPA records for Cullman. A caller seeing one of them recognizes a local number. The earliest assignment date recorded in the file for these codes is 2001. 28 of the 55 were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 256 | 255, 297, 338, 339, 347, 385, 507, 531, 590, 595, 615, 620, 708, 709, 727, 734, 735, 736, 737, 739, 747, 775, 793, 796, 798, 816, 838, 841, 869, 903, 915, 917, 930, 939, 962, 981 |
| 938 | 205, 208, 213, 224, 239, 241, 255, 266, 271, 274, 285, 293, 314, 315, 317, 319, 320, 324, 800 |
Source: NANPA utilized central office code file.
When Cullman's exchanges were assigned
Assignment dates show when each block of Cullman numbers was added to the local supply.
| Decade assigned | Exchanges | Share |
|---|---|---|
| 2000s | 9 | 24% |
| 2010s | 1 | 2.6% |
| 2020s | 28 | 74% |
Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.
What makes a number local to Cullman
What a caller sees as "local" is the area code plus prefix. In Cullman, those come from the CULLMAN rate center, as recorded by NANPA.
New local numbers are drawn from carrier inventory, so the exact 256 numbers available change over time; porting an existing number is free.
Businesses around Cullman
Cullman is part of the Cullman, AL micropolitan area, home to 92,604 people in 2024. County Business Patterns counted 1,867 business establishments in the Cullman, AL micropolitan area in 2023, employing 27,591 people. The largest sectors by establishment count are retail trade (351), construction (220), and health care and social assistance (218).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 73 | 1,948 | 26.7 |
| Full-service restaurants | 43 | 1,059 | 24.6 |
| Physician practices | 42 | 591 | 14.1 |
| Plumbing, heating and air-conditioning contractors | 42 | 217 | 5.2 |
| Insurance agencies and brokerages | 29 | — | — |
| Law offices | 26 | 74 | 2.8 |
| Landscaping services | 26 | 163 | 6.3 |
| Dental offices | 25 | 196 | 7.8 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Cullman
Callata Office costs $99 per month for up to 5 people, and each additional user is $20 a month. That covers up to 3 local numbers, calling from a browser or your cell, transcribed voicemail, recorded calls with AI summaries, after-hours routing and E911 on each number.
If you already have a number in Cullman, porting it to Callata is free. Texting from a local number requires a one-time carrier registration (10DLC, $49), and the numbers available in any area code depend on carrier inventory when you choose them.
Optional AI agents (receptionist, sales, support or scheduler) can answer calls after hours or when nobody picks up, take messages, text, email and transfer to your team. They are billed from prepaid AI minutes at $0.25 per minute, identify themselves as AI, and may only place outbound calls to people who consented, between 8am and 9pm.
The comparison below uses 15 users, the rounded average establishment size in the Cullman, AL micropolitan area. At list prices checked September 28, 2026, that is $374.25 a month on Ooma Office Pro and $450.00 on RingCentral RingEX Core. On Callata the same 15 people cost $299.00 a month, less than either per-seat plan.
| Provider (plan) | Pricing basis | Per month | Per year |
|---|---|---|---|
| Callata (Callata Office) | $99 incl. 5 users, $20 per extra user | $299.00 | $3,588.00 |
| Quo (Starter) | $19.00 per user | $285.00 | $3,420.00 |
| Nextiva (Core) | $23.00 per user | $345.00 | $4,140.00 |
| Ooma (Office Pro) | $24.95 per user | $374.25 | $4,491.00 |
| Dialpad (Standard) | $27.00 per user | $405.00 | $4,860.00 |
| RingCentral (RingEX Core) | $30.00 per user | $450.00 | $5,400.00 |
Competitor prices are each vendor's published month-to-month list price per user for its lowest plan that includes business calling and texting, checked September 28, 2026: Quo Starter $19, Nextiva Core $23, Ooma Office Pro $24.95 (Essentials excludes texting; one-time $29.95 activation not included), Dialpad Standard $27, RingCentral RingEX Core $30 ($20 billed annually). Prices exclude taxes and fees and may change; annual contracts lower some competitors' prices.
Frequently asked questions
What area code is Cullman, AL?
Cullman has exchanges in 256 and 938; 256 has the most.
How many phone companies have exchanges in Cullman?
15, holding 55 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Cullman business number?
Yes. Porting an existing number to Callata is free. Texting from it starts after carrier registration (10DLC), a one-time $49 fee.
How much is a business phone line in Cullman?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 15 users come to $299.00 a month. For comparison, 15 users on RingCentral RingEX Core list at $450.00 a month (checked September 28, 2026).