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Get a local business phone number in Fort Gibson, OK

Fort Gibson's area codes, prefixes and carriers from NANPA records, and how to put a Fort Gibson number in front of your customers.

Area code
918 / 539
Exchanges
4NANPA-assigned
Carriers
4
Population
3,814Census 2024 est.

What area code is Fort Gibson, OK?

Fort Gibson, in Muskogee County, Oklahoma, had a Census-estimated population of 3,814 in July 2024. NANPA lists 4 exchanges for its rate center across 2 area codes; 918 has the most (3, 75%). 918 is part of an overlay with 539, so a new local number in Fort Gibson may carry any of those codes depending on which have numbers available. Fort Gibson is in the Central time zone.

According to NANPA's dialing-plan data, local calls within 918 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits.

Area codes with exchanges in Fort Gibson, OK
Area codeExchanges hereShareIn service sinceOverlay withTime zone
918375%1953539Central
539125%2011918Central

Source: NANPA utilized central office code file and NPA report, dated 10/01/2026.

Phone carriers in Fort Gibson

4 carriers hold the 4 exchanges assigned to Fort Gibson's rate center. Fractel, LLC has the most, with 1. 4 of them are pooled codes, which the holder shares with other carriers in blocks of 1,000 numbers. The table counts codes by the operating company NANPA assigned them to, not by who serves each number today.

Carriers holding exchanges in Fort Gibson, OK
Carrier (NANPA operating company)ExchangesShare
Fractel, LLC125%
Level 3 Communications, LLC - Ok125%
Onvoy, LLC - Ok125%
Southwestern Bell125%

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.

Local prefixes for Fort Gibson

Each prefix below is a block of up to 10,000 numbers that NANPA assigned to Fort Gibson's rate center (FORTGIBSON). The earliest assignment date recorded in the file for these codes is 2013. 1 of the 4 were assigned in 2020 or later.

Prefixes assigned in Fort Gibson, OK
Area codePrefixes (NXX)
539789
918203, 400, 478

Source: NANPA utilized central office code file.

When Fort Gibson's exchanges were assigned

The table groups Fort Gibson's exchanges by the decade NANPA recorded them as assigned.

Fort Gibson, OK: exchanges by decade assigned
Decade assignedExchangesShare
2010s150%
2020s150%

Assignment dates as recorded in NANPA's utilized code file; codes without a recorded date are excluded.

Rate centers and local calling in Fort Gibson

NANPA ties every exchange to a rate center. For Fort Gibson that is FORTGIBSON, so a number from one of these exchanges reads as local to people in and around Fort Gibson.

New local numbers are drawn from carrier inventory, so the exact 918 numbers available change over time; porting an existing number is free.

Businesses around Fort Gibson

Fort Gibson is part of the Muskogee, OK micropolitan area, home to 66,752 people in 2024. County Business Patterns counted 1,334 business establishments in the Muskogee, OK micropolitan area in 2023, employing 24,190 people. The largest sectors by establishment count are retail trade (245), health care and social assistance (209), and other services (except public administration) (143).

Selected industries in the Muskogee, OK micropolitan area, 2023
IndustryEstablishmentsEmployeesEmployees per establishment
Limited-service restaurants571,70830.0
Full-service restaurants4483819.0
Physician practices393057.8
Insurance agencies and brokerages27——
Home health care agencies2033016.5
Dental offices191276.7
Law offices19542.8
Electrical contractors181387.7

Selected small-business industries (six-digit NAICS) covered by these guides. Source: Census County Business Patterns 2023.

Setting up a Fort Gibson business line

Callata is a business phone system priced at $99 a month with 5 users included, then $20 per additional user. Callata Office includes up to 3 local business numbers, unlimited inbound calling, 1,500 pooled outbound US and Canada minutes per user each month, a browser softphone that can also ring your cell, voicemail with transcription, call recording with AI summaries, business-hours routing and E911 on every number.

Porting a number you already use in Fort Gibson is free, and business texting is available once the carrier registration (10DLC) is approved; the registration carries a one-time $49 fee. Which specific numbers are open in a given area code depends on carrier inventory at the time you sign up.

AI agents are optional: an AI receptionist or scheduler can pick up when the team is busy or closed, take a message, send a text or email, or transfer the call. They draw on prepaid AI minutes ($0.25/minute), disclose that they are AI, and outbound AI calls require prior consent and are limited to 8am–9pm.

The comparison below uses 18 users, the rounded average establishment size in the Muskogee, OK micropolitan area. At list prices checked September 28, 2026, that is $449.10 a month on Ooma Office Pro and $540.00 on RingCentral RingEX Core. Callata comes to $359.00 a month for 18 users ($99 a month with 5 users included, then $20 per additional user), below both.

Monthly list price for an 18-person team
Provider (plan)Pricing basisPer monthPer year
Callata (Callata Office)$99 incl. 5 users, $20 per extra user$359.00$4,308.00
Quo (Starter)$19.00 per user$342.00$4,104.00
Nextiva (Core)$23.00 per user$414.00$4,968.00
Ooma (Office Pro)$24.95 per user$449.10$5,389.20
Dialpad (Standard)$27.00 per user$486.00$5,832.00
RingCentral (RingEX Core)$30.00 per user$540.00$6,480.00

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 Fort Gibson, OK?

Fort Gibson has exchanges in 918 and 539; 918 has the most.

How many phone companies have exchanges in Fort Gibson?

4, holding 4 exchanges between them, according to NANPA's 10/01/2026 file.

Can I keep my existing Fort Gibson 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 Fort Gibson?

Callata is $99 a month with 5 users included, then $20 per additional user, with up to 3 local numbers; 18 users come to $359.00 a month. For comparison, 18 users on RingCentral RingEX Core list at $540.00 a month (checked September 28, 2026).