Next dueIncome Tax
7 NOVTDS / TCS deposit · Deducted in Oct 2026due today 21 NOVITR filing · Audit cases · AY 2026-27 · extended from 31 Octin 14 days 15 DECAdvance Tax · 3rd (75%) instalment · FY 2026-27in 38 days 31 DECBelated / revised ITR · AY 2026-27in 54 days 30 SEPTax Audit Report · Form 3CA/3CB · AY 2027-28in 327 days 11 NOVGSTR-1 · Outward supplies · Oct 2026in 4 days 15 NOVPF & ESI · Contributions · Oct 2026in 8 days 20 NOVGSTR-3B · Summary return · Oct 2026in 13 days
All due dates
Free Tool

PAN AO Code Search

Find your Assessing Officer (AO) code for a PAN application (Form 49A). Search by city to get the 4-part AO code needed for your income-tax assessment jurisdiction.

AO Code = Area Code + AO Type + Range Code + AO Number. Salary income → use office address  |  Other income → use residential address  |  Companies/Firms → always office address.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
AO Codes for KOLKATA  (76 records)
Ward / Circle / Range Area Code AO Type Range Code AO No. Copy
CIRCLE 1(1), KOLKATA
Company Assessees 'A' to 'M' of ENGINEERING GOODS & JUTE and of PIN 700012, 700072, 700090 & 700092 (Cases above 30 Lakhs)
WBG C 101 1
DC/AC CIR-3(2)
CORPORATE
WBG C 103 3
CIRCLE 4(1), KOLKATA
Company Assessees 'A' to 'M' of TEA, PAPER and CARD BOARD and of PIN 'A' to 'M' of 700018, 700081, 700095, 700096, 700097 and 700098and 700001 ('A', 'K', 'Q', 'X'.) (Cases above 30 Lakhs)
WBG C 104 1
CIRCLE 5(1), KOLKATA
Company Assessees 'A' to 'M' of MINES & MINERALS & of PIN 700001 and 'P', 'S' (other than SC, SD, SE) & 'Z'and700093&700094. (Cases above 30 Lakhs)
WBG C 105 1
CIRCLE 7(1), KOLKATA
Company Assessees 'A' to 'M' of NEWSPAPERS & PERIODICALS AND RUBBER RELATED TRADE and of PIN 700002, 700003, 700004, 700005, 700006, 700017, 700050, 700051, 700052, 700065, 700077 (Cases above 30 Lakhs)
WBG C 107 1
CIRCLE 11(1), KOLKATA
Company Assessees CHEMICALS & PHERMACEUTICALS (A to M) and TEXTILE & FABRICS (G, H, I, J) and CONTRACT BUSINESS (G, H, I, J)&'A' to 'M'of PIN 700014, 700015, 700022, 700023, 700024, 700027, 700034, 700035, 700036, 700039, 700040, 700041, 700043, 700044, 700046, 700055, 700082, 700083, 700084, 700089. (Cases above 30 Lakhs)
WBG C 111 1
CIRCLE 52(1), KOLKATA
Salary Cases of CENTRAL GOVERNMENT EMPLOYEES (OTHER THAN RAILWAYS) (Cases ABOVE 15 Lakhs)
WBG C 115 1
CIRCLE 61, KOLKATA
Salary Cases of FIRST NAME of D, E, F, K &L of PRIVATE /OTHER SALARYof KOLKATA, HOWRAH, 24 PARGANAS (N) & (S) and FIRST NAME OF 'M' PRIVATE/OTHER SALARYof 24 PARGANAS (N) & (S) (Cases ABOVE 15 Lakhs)
WBG C 125 1
CIRCLE 29, KOLKATA
Non Company - PIN 700025, 700026, 700027, 700045, 700046 (Cases having Income & Lose above 15 Lakhs)
WBG C 129 1
CIRCLE 32, KOLKATA
700015, 700016 & 700017 (Cases ABOVE 15 Lakhs)
WBG C 132 1
CIRCLE 34, KOLKATA
A' to 'H' of PIN 700001 (Cases ABOVE 15 Lakhs)
WBG C 134 1
CIRCLE 37, KOLKATA
INSURANCE AGENTS IN KOLKATA, HOWRAH, 24 PARGANAS (N) & (S) andALL ALPHABETS of PIN 700006 & 700012 (Cases ABOVE 15 Lakhs)
WBG C 139 1
CIRCLE 43, KOLKATA
A to H of PIN 700007and ALL ALPHABETS ofPIN 700005, 700028, 700030, 700035 & 700036 (Cases ABOVE 15 Lakhs)
WBG C 143 1
CIRCLE 46, KOLKATA
HOWRAH  (Above 10 Lakhs)  A  F (Indv. & Others)
WBG C 146 1
CIRCLE 49(1), KOLKATA
BANGAON & BASIRHAT SUBDIV. And ALL ALPHABETS of PIN 700048, 700049, 700051, 700052, 700055, 700056, 700057, 700058, 700059, 700156 & 700157 (Cases ABOVE 10 Lakhs)
WBG C 149 1
CIRCLE 40, KOLKATA
TRANSPORT IN KOLKATA, HOWRAH, 24 PARGANAS (N) & (S) and 700009, 700021, 700022, 700069, 700072 & 700073. (Cases ABOVE 15 Lakhs)
WBG C 156 1
AO
---
WBG C 156 2
CIRCLE 13(1), KOLKATA
A' to 'M' of the cases of Howrah, PIN - 700063 & 700073. (Cases above 30 Lakhs)
WBG C 166 1
DC/ACIT HQ KOLKATA
---
WBG C 401 1
CIRCLE 1 LTU, KOLKATA
---
WBG C 500 1
CIRCLE 2 LTU, KOLKATA
---
WBG C 500 2
CIRCLE 1(1), IT, KOLKATA
TERRITORIAL AREA:WEST BENGAL(EXCEPT THE DIST OF EAST MIDNAPORE):CASES> ALL NON-RESIDENTS INCLUDING FOREIGN COMPANIES WITH NAMES STARTING FROM A TO L; TERRITORIAL AREA:>ANDAMAN & NICOBOR ISLANDS & SIKKIM & CLASSIFICATION OF CASES:>ALL NON-RESIDENTS INCLUDING FOREIGN COMPANIES
DLC C 511 1
CIRCLE 1(2),IT, KOLKATA
---
DLC C 511 2
CIRCLE 2(1), IT, KOLKATA
TERRITORIAL AREA:WEST BENGAL (EXCEPT THE DIST OF EAST MIDNAPORE) & CLASSIFICATION OF CASES:[1> ALL NON-RESIDENTS INCLUDING FOREIGN COMPANIES WITH NAMES STARTING FROM M TO S
DLC C 512 2
CIRCLE 1(1), EXEMPT, KOLKATA
Exemption u/s 13A & 13B  All of Kolkata, Howrah, 24 Parganas (N) & (S), Hooghly, Midnapore (E) & (W), Nadia, Murshidabad and Andaman & Nicobar Island (Above 10 Crore)
DLC CA 112 1
DCIT(COMPUTER OPERATIONS)-I
---
WBG P 888 1
WARD 1(1), KOLKATA
Company Assessees ENGINEERING GOODS & JUTE of 'A' to 'I' and 'A' to 'H' of PIN 700012.
WBG W 101 1
WARD 2(1), KOLKATA/
---
WBG W 101 91
WARD 3(1), KOLKATA/
---
WBG W 101 92
WARD 4(1), KOLKATA
PIN of 700001 ( 'R'& 'T'. ) and PIN of700018.
WBG W 104 1
WARD 4(3), KOLKATA
PIN of 700001 ('A'&'X') and PIN of700097.
WBG W 104 3
WARD 4(4), KOLKATA
Company Assessees 'A' to 'Z' of TEA, PAPER and CARD BOARD and PIN of 700001 ( 'K'& 'Q'.) and PIN of700081&PIN of 700098.
WBG W 104 4
WARD 5(1), KOLKATA
Company Assessees 'A' to 'F'of MINES & MINERALS&PIN of 700001 of 'S' (other than SA, SC, SD, SE)
WBG W 105 1
WARD 6(1), KOLKATA/
---
WBG W 105 91
WARD 6(2), KOLKATA/
---
WBG W 105 92
WARD 7(1), KOLKATA
Company Assessees 'A', 'G', 'H', 'M' & 'N' of NEWSPAPERS & PERIODICALS AND RUBBER RELATED TRADEand of PIN 700002, 700003, 700004, 700005, 700006, 700017, 700050, 700051, 700052, 700065, 700077 ( Cases below 30 Lakhs)
WBG W 107 1
WARD 8(1), KOLKATA/
---
WBG W 107 91
WARD 8(2), KOLKATA/
---
WBG W 107 92
WARD 9(1), KOLKATA/
---
WBG W 107 93
WARD 11(1), KOLKATA
Company Assessees CHEMICALS & PHERMACEUTICALS (A, B, C, D, E & F) and TEXTILE & FABRICS (G) and CONTRACT BUSINESS (G)& of PIN 700027, 700035, 700036, 700039.
WBG W 111 1
WARD 10(2), KOLKATA/
---
WBG W 111 91
WARD 12(1), KOLKATA/
---
WBG W 111 92
WARD 52(1), KOLKATA
Salary Cases of CENTRAL GOVERNMENT EMPLOYEES (OTHER THAN RAILWAYS) Ato D, W &X to Z (BY FIRST NAME) (Cases BELOW 15 Lakhs)
WBG W 115 1
WARD 54(1), KOLKATA/
---
WBG W 115 91
WARD 54(2), KOLKATA/
---
WBG W 115 92
WARD 61(1), KOLKATA
Salary Cases of First Name of D & E of Private/Other Salary of Kolkata, Howrah, 24 Parganas (N) & (S) (Cases BELOW 15 Lakhs)
WBG W 125 1
WARD 61(3), KOLKATA
Salary Cases of First Name of L of Private/Other Salary of Kolkata, Howrah, 24 Parganas (N) & (S) (Cases BELOW 15 Lakhs)
WBG W 125 3
WARD 62(1), KOLKATA/
---
WBG W 125 91
WARD 29(1), KOLKATA
PIN of 700045 & 700046
WBG W 129 1
WARD 25(1), KOLKATA/
---
WBG W 129 91
WARD 30(1), KOLKATA/
---
WBG W 129 92
WARD 32(1), KOLKATA
A' to 'M' of 700016 (Cases BELOW 15 Lakhs)
WBG W 132 1
WARD 33(1), KOLKATA/
---
WBG W 132 91
WARD 33(2), KOLKATA/
---
WBG W 132 92
WARD 34(1), KOLKATA
B'of PIN 700001 (Cases BELOW 15 Lakhs)
WBG W 134 1
WARD 36(1), KOLKATA/
---
WBG W 134 91
WARD 37(1), KOLKATA
G to K of PIN 700006 and A &H of PIN 700012 (Cases BELOW 15 Lakhs)
WBG W 139 1
WARD 43(1), KOLKATA
G to Z of PIN 700005 and A & B of PIN 700007(Cases BELOW 15 Lakhs)
WBG W 143 1
WARD 44(1), KOLKATA/
---
WBG W 143 91
WARD 44(2), KOLKATA/
---
WBG W 143 92
WARD 46(1), KOLKATA
HOWRAH  (Below 10 Lakhs)  'A'
WBG W 146 1
WARD 47(1), KOLKATA/
---
WBG W 146 91
WARD 47(2), KOLKATA/
---
WBG W 146 92
WARD 49(1), KOLKATA
BANGAON & BASIRHAT SUBDIV. (Cases BELOW 10 Lakhs)
WBG W 149 1
WARD 50(1), KOLKATA/
---
WBG W 149 91
WARD 40(1), KOLKATA
H to Z of TRANSPORT IN KOLKATA, HOWRAH, 24 PARGANAS (N) & (S) and A to L of 700009 (Cases BELOW 15 Lakhs)
WBG W 156 1
WARD 13(1), KOLKATA
A' to 'F' of the cases of Howrah, PIN - 700063 & 700073.
WBG W 166 1
WARD 14(1), KOLKATA/
---
WBG W 166 91
WARD 22(2), KOLKATA/
---
WBG W 182 91
WARD TECHNICAL - 1, KOLKATA
---
WBG W 401 1
ITO TECH, KOLKATA
ORDER NO. 18/2014-15 DATED 18.11.2014 OF PCIT 2 KOLKATA
WBG W 402 1
ITO(IT) WARD, KOLKATA
TERRITORIAL AREA:WEST BENGAL(EXCEPT THE DIST OF EAST MIDNAPORE) WITH CASES:>ALL TDS CASES U/S 195 & 197 WITH NAMES STARTING FROM A-L;TERRITORIAL AREA:>ANDAMAN & NICOBOR ISLANDS & SIKKIM WITH ALL TDS CASES U/S 195 & 197
DLC W 511 1
WARD 1(1),EXEMPTION, KOLKATA
I, C, G, J, N & R of Kolkata, Howrah, 24 Parganas (N) & (S), Hooghly,Midnapore (E) & (W), Nadia, Murshidabad and Andaman & Nicobar Island (Exemption u/s 13A & 13B  All)
DLC WX 112 1
WARD 1(2),EXEMPTION, KOLKATA
B, D, E, F, O, Q, U, V, X, Y & Z of Kolkata, Howrah, 24 Parganas (N) & (S), Hooghly, Midnapore (E) & (W), Nadia, Murshidabad and Andaman & Nicobar Island (Exemption u/s 13A & 13B  All)
DLC WX 112 2
WARD 1(3),EXEMPTION, KOLKATA
S, T & W of Kolkata, Howrah, 24 Parganas (N) & (S), Hooghly, Midnapore (E) & (W), Nadia, Murshidabad and Andaman & Nicobar Island (Exemption u/s 13A & 13B  All)
DLC WX 112 3
WARD 1(4),EXEMPTION, KOLKATA
A, H, K, L, M & P of Kolkata, Howrah, 24 Parganas (N) & (S), Hooghly, Midnapore (E) & (W), Nadia, Murshidabad and Andaman & Nicobar Island (Exemption u/s 13A & 13B  All)
DLC WX 112 4
Good to Know

About PAN AO Code

PAN AO Code identifies the Income Tax Assessing Officer responsible for your tax assessment. It has 4 components: Area Code (e.g. MUM), AO Type (W, C etc.), Range Code (number), and AO Number (number). Required in Form 49A when applying for a new PAN.
Salary income: use your employer's office address. Business/other income (not salary): use residential address. Companies, partnerships, trusts: always use office/registered address.
Try alternate spellings (e.g. "Bangalore" vs "Bengaluru", "Bombay" vs "Mumbai"). If still not found, contact your local Income Tax office for the correct AO jurisdiction.
Check your previous ITR acknowledgement — it shows AO details. Or log into incometax.gov.in → My Profile to see your current jurisdiction.
Army: Area Code PNE, AO Type W, Range Code 55, AO Number 3. Air Force: Area Code DEL, AO Type W, Range Code 72, AO Number 2. These are fixed codes per NSDL guidelines.
Applying for PAN?

Let an expert file it for you

Skip the AO-code guesswork. Our CA team handles PAN, TAN and every registration end-to-end — accurately, the first time.