CallataGuidesGet a local business phone number in Harper, KS
Harper's area code, prefixes and carriers from NANPA records, and how to put a Harper number in front of your customers.
- Area code
- 620
- Exchanges
- 4NANPA-assigned
- Carriers
- 3
- Population
- 1,293Census 2024 est.
Harper area codes
Harper, in Harper County, Kansas, had a Census-estimated population of 1,293 in July 2024. All 4 exchanges NANPA lists for its rate center are in area code 620. Harper is in the Central and Mountain time zone.
According to NANPA's dialing-plan data, local calls within 620 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.
| Area code | Exchanges here | Share | In service since | Overlay with | Time zone |
|---|---|---|---|---|---|
| 620 | 4 | 100% | 2001 | none | Central and Mountain |
Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.
Harper exchanges by carrier
3 carriers hold the 4 exchanges assigned to Harper's rate center. Southwestern Bell has the most, with 2. 3 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 |
|---|---|---|
| Southwestern Bell | 2 | 50% |
| United States Cellular - KS | 1 | 25% |
| South Central Wireless d/b/a SC Telcom - KS | 1 | 25% |
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.
Harper phone prefixes
Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Harper's rate center (HARPER). The earliest assignment date recorded in the file for these codes is 2001. None were assigned in 2020 or later.
| Area code | Prefixes (NXX) |
|---|---|
| 620 | 740, 840, 896, 916 |
Source: NANPA utilized central office code file.
How local numbers work in Harper
NANPA ties every exchange to a rate center. For Harper that is HARPER, so a number from one of these exchanges reads as local to people in and around Harper.
If your business already has a Harper number, porting it to Callata is free and keeps it on your cards, listings and vehicles.
The local business market
Harper is outside any Census metro or micropolitan area, so the figures below are statewide. County Business Patterns counted 76,139 business establishments in Kansas in 2023, employing 1,248,825 people. The largest sectors by establishment count are retail trade (9,580), health care and social assistance (9,075), and other services (except public administration) (8,071).
| Industry | Establishments | Employees | Employees per establishment |
|---|---|---|---|
| Limited-service restaurants | 2,231 | 47,993 | 21.5 |
| Full-service restaurants | 2,197 | 45,439 | 20.7 |
| Insurance agencies and brokerages | 1,947 | 14,227 | 7.3 |
| Physician practices | 1,466 | 20,960 | 14.3 |
| Offices of real estate agents and brokers | 1,318 | 2,519 | 1.9 |
| Law offices | 1,139 | 5,586 | 4.9 |
| Residential remodelers | 1,068 | 3,880 | 3.6 |
| Plumbing, heating and air-conditioning contractors | 1,028 | 11,412 | 11.1 |
Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.
Business phone service in Harper
For $99 a month, Callata puts a team of up to 5 on one plan ($20 for each person after that): up to 3 local numbers, unlimited inbound calls, a pooled allowance of 1,500 outbound US and Canada minutes per user, browser and cell calling, voicemail transcription with urgency triage, recorded calls with AI summaries and business-hours routing, with E911 on every number.
If you already have a number in Harper, 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 16 users, the rounded average establishment size in Kansas. At list prices checked September 28, 2026, that is $399.20 a month on Ooma Office Pro and $480.00 on RingCentral RingEX Core. On Callata the same 16 people cost $319.00 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 | $319.00 | $3,828.00 |
| Quo (Starter) | $19.00 per user | $304.00 | $3,648.00 |
| Nextiva (Core) | $23.00 per user | $368.00 | $4,416.00 |
| Ooma (Office Pro) | $24.95 per user | $399.20 | $4,790.40 |
| Dialpad (Standard) | $27.00 per user | $432.00 | $5,184.00 |
| RingCentral (RingEX Core) | $30.00 per user | $480.00 | $5,760.00 |
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 Harper, KS?
620. All exchanges NANPA lists for Harper are in 620.
How many phone companies have exchanges in Harper?
3, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.
Can I keep my existing Harper 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 Harper?
Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 16 users come to $319.00 a month. For comparison, 16 users on RingCentral RingEX Core list at $480.00 a month (checked September 28, 2026).