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Area code 235

Where 235 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
MO
In service
2024
Assigned codes
41of 800 possible
Carriers
15

Area code 235 at a glance

Area code 235 is a geographic area code in Missouri, in service since March 24, 2024, according to the North American Numbering Plan Administrator (NANPA). It is an overlay: 235 and 573 cover the same territory, so neighbors on the same street can have different area codes. It is in the Central time zone. The places with the most assigned exchanges include Birch Tree, Cape Girardeau, Columbia, Jefferson City, and Farmington. By population, its largest named places are Columbia, Jefferson City, Cape Girardeau, Farmington, and Jackson.

Area code 235: NANPA facts
ItemValue
StateMissouri
In service sinceMarch 24, 2024
Assigned by NANPAMay 2, 2022
OverlayYes, with 573
Parent area code (NANPA)573
Time zoneCentral
Local calls within the codeten digits (area code plus number)
Assigned central office codes41
Rate centers with codes22
Carriers holding codes15
Pooled codes40
Codes assigned since 202041
Relief planning in progressNo

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

Cities and towns in area code 235

235 holds 0.98% of the 4,168 central office codes assigned in Missouri, the 8th most of the state's 9 codes. 21 Census places could be matched to rate centers with 235 exchanges; the most populous are Columbia (131,000), Jefferson City (42,564), Cape Girardeau (40,818), and Farmington (19,165). For a storefront or service area inside 235, the place pages show which prefixes are rated local there.

Most populous places with 235 exchanges
PlacePopulation (2024)Area codesExchangesCarriers
Columbia, MO130,900235, 5736318
Jefferson City, MO42,564235, 5734216
Cape Girardeau, MO40,818235, 5733911
Farmington, MO19,165235, 573185
Jackson, MO15,929235, 57374
Eldon, MO4,714235, 57365
Fredericktown, MO4,581235, 57375
Scott City, MO4,432235, 57333
Camdenton, MO4,035235, 57396
St. James, MO3,932235, 57355
Versailles, MO2,693235, 57386
Campbell, MO1,513235, 57344
Linn, MO1,431235, 57355
Oran, MO1,205235, 57343

Population: Census Vintage 2024 estimates for the matched place. Exchanges and carriers: NANPA utilized code file.

Ten-digit and seven-digit dialing in 235

According to NANPA's dialing-plan data, local calls within 235 are dialed as ten digits (area code plus number) and toll calls as 1 plus ten digits. Ten-digit local dialing means the area code is part of how customers save and recognize your number, so print it in full everywhere. NANPA's dialing-plan note for this code reads: "1+10 permissive dialing at service provider discretion"

Carriers with 235 numbers

15 carriers hold the 41 central office codes assigned in 235. New Cingular Wireless PCS, LLC - Il has the most, with 15 (37%). 40 of the codes (98%) 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.

Largest code holders in area code 235
Carrier (NANPA operating company)ExchangesShare
New Cingular Wireless PCS, LLC - Il1537%
Onvoy, LLC - Mo1024%
HD Carrier LLC24.9%
Peerless Network of Missouri, LLC - Mo24.9%
T-mobile USA, INC.24.9%
Cellco Partnership d/b/a Verizon Wireless - Mo12.4%
United States Cellular - Mo12.4%
AT&T Enterprises, LLC12.4%
Wavenation, LLC12.4%
Bandwidth.com CLEC, LLC - Mo12.4%
Shelcomm12.4%
Metropcs, INC.12.4%

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 calling areas in 235

NANPA assigns each central office code to a rate center, the local calling area that decides whether a call is local or toll. 235 has codes in 22 rate centers. The table lists the rate centers with the most codes, with the matching Census place where the abbreviation could be matched.

Rate centers in area code 235 by assigned codes
Rate center (NANPA)PlaceCodes
BIRCH TREEBirch Tree, MO10
CAPEGIRARDCape Girardeau, MO5
COLUMBIAColumbia, MO4
JEFFERSNCYJefferson City, MO3
FARMINGTONFarmington, MO2
CARDWELLCardwell, MO1
GRAVOIS MLGravois Mills, MO1
VERSAILLESVersailles, MO1
SCOTT CITYScott City, MO1
FLAT RIVERnot matched1
ARGYLEArgyle, MO1
ST JAMESSt. James, MO1
CAMDENTONCamdenton, MO1
JACKSONJackson, MO1
ORANOran, MO1
LINNLinn, MO1
FREDERCKTNFredericktown, MO1
ELDONEldon, MO1
FISKFisk, MO1
WESTPHALIAWestphalia, MO1
FREEBURGFreeburg, MO1
CAMPBELLCampbell, MO1

How full is area code 235?

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). 41 are assigned in 235, 5.1% of 800. 41 were assigned in 2020 or later.

Area code 235: central office codes by decade assigned
Decade assignedExchangesShare
2020s41100%

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

A local 235 number on Callata

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.

If you already have a number in area code 235, 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.

Frequently asked questions

Where is area code 235?

235 is a geographic area code in Missouri. Places with the most assigned exchanges include Birch Tree, Cape Girardeau, Columbia, and Jefferson City.

What time zone is area code 235 in?

NANPA lists 235 in the Central time zone.

When did area code 235 go into service?

NANPA records an in-service date of March 24, 2024. The code was assigned on May 2, 2022.

Is 235 an overlay area code?

Yes. It shares its territory with 573.

Can my business get a 235 phone number?

Callata includes up to 3 local numbers on its $99/month plan (5 users included). Which 235 numbers are open depends on carrier inventory when you choose, and you can port an existing number for free.